المؤلفون: Xiao-Feng L; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Jin-Shan Z; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China. zhangjinshan193@sina.com.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China. zhangjinshan193@sina.com., Yong-Qiang Z; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Ze-Feng W; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Yong-Quan X; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Yang-Zhen F; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Zhen-Yu L; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Liang L; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Hong-Peng Z; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China., Xiao-Peng H; Department of Orthopedics, Jinjiang Municipal Hospital, Fujian, China.; Clinical Research Center for Orthopaedic Trauma and Reconstruction of Fujian Province, Jinjiang Municipal Hospital, Fujian, China.

المصدر: BMC musculoskeletal disorders [BMC Musculoskelet Disord] 2024 May 21; Vol. 25 (1), pp. 398. Date of Electronic Publication: 2024 May 21.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 100968565 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2474 (Electronic) Linking ISSN: 14712474 NLM ISO Abbreviation: BMC Musculoskelet Disord Subsets: MEDLINE

مواضيع طبية MeSH: Osteoarthritis, Knee*/surgery , Osteoarthritis, Knee*/diagnostic imaging , Osteoarthritis, Knee*/epidemiology , Cartilage, Articular*/diagnostic imaging , Cartilage, Articular*/pathology , Cartilage, Articular*/surgery , Magnetic Resonance Imaging* , Knee Joint*/surgery , Knee Joint*/diagnostic imaging , Knee Joint*/pathology, Humans ; Female ; Male ; Retrospective Studies ; Middle Aged ; Aged ; Arthroplasty, Replacement, Knee/statistics & numerical data

المؤلفون: Yong S; Intensive Care Unit, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Suping L; Intensive Care Unit, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Peng Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Dong L; Department of Urology, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Qing W; Intensive Care Unit, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China.

المصدر: Medicine [Medicine (Baltimore)] 2024 Mar 22; Vol. 103 (12), pp. e37420.

نوع المنشور: Meta-Analysis; Systematic Review; Journal Article

بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 2985248R Publication Model: Print Cited Medium: Internet ISSN: 1536-5964 (Electronic) Linking ISSN: 00257974 NLM ISO Abbreviation: Medicine (Baltimore) Subsets: MEDLINE

مواضيع طبية MeSH: Critical Illness*/therapy , Respiration, Artificial*/adverse effects, Adult ; Humans ; Randomized Controlled Trials as Topic ; Dietary Supplements ; Ascorbic Acid/therapeutic use

المؤلفون: Peng Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Ya L; Department of Respiratory Medicine, First Affiliated Hospital of Chengdu Medical College, Xindu District, Chengdu, Sichuan, China., Yichi Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Dong L; Department of Urology, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China., Dechun Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Pengzhou City, Chengdu, Sichuan, China.

المصدر: Medicine [Medicine (Baltimore)] 2024 Mar 15; Vol. 103 (11), pp. e37474.

نوع المنشور: Meta-Analysis; Systematic Review; Journal Article

بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 2985248R Publication Model: Print Cited Medium: Internet ISSN: 1536-5964 (Electronic) Linking ISSN: 00257974 NLM ISO Abbreviation: Medicine (Baltimore) Subsets: MEDLINE

مواضيع طبية MeSH: Colonic Neoplasms*/complications , Robotics* , Proctectomy*/methods , Laparoscopy*/adverse effects , Laparoscopy*/methods, Humans ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology

المؤلفون: Yan-Qiu L; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Jun-Peng Y; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Xiang-Yun Y; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Wen W; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Yu-Peng Z; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Lu Y; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Yu-Jun H; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China., Ying L; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China. Electronic address: liying@cdutcm.edu.cn.

المصدر: Complementary therapies in medicine [Complement Ther Med] 2024 Mar; Vol. 80, pp. 103009. Date of Electronic Publication: 2023 Dec 09.

نوع المنشور: Journal Article; Review

بيانات الدورية: Publisher: Elsevier Country of Publication: Scotland NLM ID: 9308777 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-6963 (Electronic) Linking ISSN: 09652299 NLM ISO Abbreviation: Complement Ther Med Subsets: MEDLINE

مواضيع طبية MeSH: Acupuncture Therapy* , Medicine, East Asian Traditional*, Humans ; Autonomic Nervous System ; Bibliometrics ; Anti-Inflammatory Agents

المؤلفون: Yi Chi Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Chengdu, China., Gang O; Department of Anesthesiology, The Fourth Clinical College of Chongqing Medical University, Chongqing, China., Xiao Li F; Department of Respiratory Medicine, First Affiliated Hospital of Chengdu Medical College, Chengdu, China., Ya L; Department of Respiratory Medicine, First Affiliated Hospital of Chengdu Medical College, Chengdu, China., Zhijun Z; Department of Urology, Pengzhou People's Hospital, Chengdu, China., Yong Gang D; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Chengdu, China., Dan R; Internal Medicine-Cardiovascular Department, Pengzhou People's Hospital, Chengdu, China., Xin L; Anesthesiology Department, Pidu District Maternal and Child Health Hospital, Chengdu, China., Yang L; Department of Urology, Pengzhou People's Hospital, Chengdu, China., Peng Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Chengdu, China., Yi L; Otolaryngology Head and Neck Surgery, Panzhihua Central Hospital, Panzhihua City, China., Dong L; Department of Urology, Pengzhou People's Hospital, Chengdu, China., De Chun Z; Department of Gastrointestinal Surgery, Pengzhou People's Hospital, Chengdu, China.

المصدر: Medicine [Medicine (Baltimore)] 2024 Jan 26; Vol. 103 (4), pp. e36859.

نوع المنشور: Meta-Analysis; Systematic Review; Journal Article

بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 2985248R Publication Model: Print Cited Medium: Internet ISSN: 1536-5964 (Electronic) Linking ISSN: 00257974 NLM ISO Abbreviation: Medicine (Baltimore) Subsets: MEDLINE

مواضيع طبية MeSH: Transanal Endoscopic Surgery*/adverse effects , Transanal Endoscopic Surgery*/methods , Rectal Neoplasms*/pathology , Laparoscopy*/adverse effects , Laparoscopy*/methods, Humans ; Animals ; Rats ; Rectum/surgery ; Rectum/pathology ; Anastomotic Leak/epidemiology ; Anastomotic Leak/etiology ; Anastomotic Leak/surgery ; Margins of Excision ; Postoperative Complications/etiology ; Treatment Outcome

المؤلفون: Zhou X; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Hao H; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China.; International Research Center for X Polymers, International Campus, Zhejiang University, Haining, PR China., Chen Y; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China.; International Research Center for X Polymers, International Campus, Zhejiang University, Haining, PR China., Cao W; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Zhu Z; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Ni Y; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Liu Z; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Jia F; Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China., Wang Y; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China., Ji J; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China.; International Research Center for X Polymers, International Campus, Zhejiang University, Haining, PR China.; State Key Laboratory of Transvascular Implantation Devices, Zhejiang University, Hangzhou, PR China., Peng Zhang; MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China.; International Research Center for X Polymers, International Campus, Zhejiang University, Haining, PR China.; State Key Laboratory of Transvascular Implantation Devices, Zhejiang University, Hangzhou, PR China.

المصدر: Bioactive materials [Bioact Mater] 2024 Jan 15; Vol. 34, pp. 482-493. Date of Electronic Publication: 2024 Jan 15 (Print Publication: 2024).

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Ke Ai Publishing Country of Publication: China NLM ID: 101685294 Publication Model: eCollection Cited Medium: Internet ISSN: 2452-199X (Electronic) Linking ISSN: 2452199X NLM ISO Abbreviation: Bioact Mater Subsets: PubMed not MEDLINE

المؤلفون: Dai PY; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China., Yuan QJ; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China., Peng ZZ; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China., Xie YY; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China., Tao LJ; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China., Huang L; Hunan Provincial Key Laboratory of Organ Fibrosis,Department of Nephrology,Xiangya Hospital, Central South University,Changsha 410000,China.

المصدر: Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae [Zhongguo Yi Xue Ke Xue Yuan Xue Bao] 2023 Dec 30; Vol. 45 (6), pp. 987-996.

نوع المنشور: Review; English Abstract; Journal Article

بيانات الدورية: Publisher: Zhongguo yi xue ke xue yuan Country of Publication: China NLM ID: 8006230 Publication Model: Print Cited Medium: Print ISSN: 1000-503X (Print) Linking ISSN: 1000503X NLM ISO Abbreviation: Zhongguo Yi Xue Ke Xue Yuan Xue Bao Subsets: MEDLINE

مواضيع طبية MeSH: Diabetes Mellitus, Type 2*/complications , Diabetic Nephropathies*/diagnosis , Diabetic Nephropathies*/therapy , Diabetic Nephropathies*/etiology , Renal Insufficiency, Chronic*/complications , Renal Insufficiency, Chronic*/diagnosis , Renal Insufficiency, Chronic*/therapy , Diabetes Mellitus*/diagnosis , Diabetes Mellitus*/therapy, Humans ; Risk Factors

المؤلفون: Liu T; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China E-mail: hzjkzp@163.com., Zhang M; Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan Province 410005, China., Wen D; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China., Fu Y; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China., Yao J; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China., Shao G; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China., Peng Z; Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang Province 313000, China.

المصدر: Journal of water and health [J Water Health] 2023 Oct; Vol. 21 (10), pp. 1503-1517.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: IWA Pub Country of Publication: England NLM ID: 101185420 Publication Model: Print Cited Medium: Print ISSN: 1477-8920 (Print) Linking ISSN: 14778920 NLM ISO Abbreviation: J Water Health Subsets: MEDLINE

مواضيع طبية MeSH: Disinfectants*/analysis , Drinking Water*/analysis , Water Purification* , Water Pollutants, Chemical*/analysis, Disinfection ; Chlorine/analysis ; Trihalomethanes/analysis ; China ; Halogenation

المؤلفون: Yinli G; Department of Traditional Chinese Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China., Haihong L; Department of Traditional Chinese Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China., Shijing D; Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University.; Beijing Ophthalmology and Visual Sciences Key Laboratory, Beijing 100005, China., Ying D; Department of Traditional Chinese Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China., Peng Z; Department of Traditional Chinese Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China., Zhiqun W; Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China., Yang Z; Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China.

المصدر: Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan [J Tradit Chin Med] 2023 Aug; Vol. 43 (4), pp. 770-779.

نوع المنشور: Randomized Controlled Trial; Journal Article; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: Academy Of Traditional Chinese Medicine Country of Publication: China NLM ID: 8211546 Publication Model: Print Cited Medium: Internet ISSN: 2589-451X (Electronic) Linking ISSN: 02552922 NLM ISO Abbreviation: J Tradit Chin Med Subsets: MEDLINE

مواضيع طبية MeSH: Meibomian Gland Dysfunction*/drug therapy , Dry Eye Syndromes*/drug therapy , Dry Eye Syndromes*/diagnosis, Humans ; Meibomian Glands ; Treatment Outcome ; Tears

المؤلفون: Hansen ML; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Pellicer A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hyttel-Sørensen S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Ergenekon E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Szczapa T; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hagmann C; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Naulaers G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Mintzer J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Fumagalli M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Dimitriou G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Dempsey E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Tkaczyk J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Cheng G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Fredly S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Heuchan AM; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Pichler G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Fuchs H; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Nesargi S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hahn GH; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Piris-Borregas S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Širc J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Alsina-Casanova M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Stocker M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Ozkan H; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Sarafidis K; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hopper AO; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Karen T; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Rzepecka-Weglarz B; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Oguz SS; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Arruza L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Memisoglu AC; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Del Rio Florentino R; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Baserga M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Maton P; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Truttmann AC; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., de Las Cuevas I; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Agergaard P; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Zafra P; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Bender L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Lauterbach R; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Lecart C; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., de Buyst J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., El-Khuffash A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Curley A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Vaccarello OO; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Miletin J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Papathoma E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Vesoulis Z; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Vento G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Cornette L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Lopez LS; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Yasa B; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Klamer A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Agosti M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Baud O; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Mastretta E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Cetinkaya M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., McCall K; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Zeng S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hatzidaki E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Bargiel A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Marciniak S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Gao X; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Huijia L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Chalak L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Yang L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Rao SA; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Xu X; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Gonzalez BL; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Wilinska M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Yin Z; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Sadowska-Krawczenko I; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Serrano-Viñuales I; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Krolak-Olejnik B; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Ybarra MM; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Morales-Betancourt C; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Korček P; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Teresa-Palacio M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Mosca F; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Hergenhan A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Koksal N; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Tsoni K; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Kadri MM; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Knöpfli C; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Rafinska-Wazny E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Akin MS; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Nordvik T; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Peng Z; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Kersin SG; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Thewissen L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Alarcon A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Healy D; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Urlesberger B; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Baş M; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Baumgartner J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Skylogianni E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Karadyova V; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Valverde E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Bergon-Sendin E; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Kucera J; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Pisoni S; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Wang L; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Smits A; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Sanchez-Salmador R; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Rasmussen MI; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Olsen MH; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Jensen AK; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Gluud C; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Jakobsen JC; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak)., Greisen G; From the Departments of Neonatology (M.L.H., G.H.H., M.I.S.R., G.G.) and Intensive Care (S.H.-S.), Copenhagen Trial Unit, Center for Clinical Intervention Research, the Capital Region (M.H.O., C.G., J.C.J.), and the Department of Neuroanesthesiology, Neuroscience Center (M.H.O.), Copenhagen University Hospital-Rigshospitalet, and the Section of Biostatistics, Department of Public Health, University of Copenhagen (A.K.G.J.), Copenhagen, the Neonatal Intensive Care Unit, Aarhus University Hospital, Aarhus (P.A.), the Department of Neonatology, Aalborg University Hospital, Aalborg (L.B.), and the Department of Pediatrics, Odense University Hospital (A.K.), and the Department of Regional Health Research, the Faculty of Health Sciences, University of Southern Denmark (C.G., J.C.J.), Odense - all in Denmark; the Department of Neonatology, La Paz University Hospital (A.P., M.M.Y., E.V., R.S.-S.), the Neonatology Department, 12 de Octubre University Hospital (S.P.-B., C.M.-B., E.B.-S.), the Department of Neonatology, Instituto del Nino y del Adolescente, Hospital Clinico San Carlos-Instituto de Investigación Sanitaria San Carlos (L.A.), Madrid, the Department of Neonatology, Hospital Clínic Barcelona, BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (M.A.-C., M.T.-P.), and the Department of Neonatology, Hospital Sant Joan de Deu (R.R.F., A.A.), Barcelona, the Neonatal Unit, Marqués de Valdecilla University Hospital, and the Department of Medical and Surgical Sciences, Cantabria University, Santander (I.C.), the Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Cádiz (P.Z.), the Department of Neonatology, Hospital Universitario de Tarragona Juan XXIII, Tarragona (O.O.V.), the Neonatal Unit, University Hospital Virgen de las Nieves, Granada (L.S.L.), the Division of Neonatology, University Hospital Cruces, Biocruces Health Research Institute, Barakaldo (B.L.G.), and the Neonatology Division, Miguel Servet University Hospital, Zaragoza (I.S.-V.) - all in Spain; the Division of Newborn Medicine, Gazi University Hospital (E.E., M. Baş), and the Department of Neonatology, NICU, University of Health Sciences, Ankara City Hospital (S.S.O., M.S.A.), Ankara, the Department of Neonatology, Bursa Uludag University Faculty of Medicine, Bursa (H.O., N.K.), the Division of Neonatology, Department of Pediatrics, Marmara University Research and Education Hospital, Marmara University, School of Medicine (A.C.M., S.G.K.), and the Department of Neonatology, Kanuni Sultan Suleyman Training and Research Hospital (B.Y., M.C.), Istanbul, and Basaksehir Cam and Sakura City Hospital, Basaksehir (B.Y., M.C.) - all in Turkey; the 2nd Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit, Poznan University of Medical Sciences, Poznan (T.S.), the Department of Neonatology, Centrum Medyczne Ujastek (B.R.-W., E.R.-W.), and the Department of Neonatology, Jagiellonian University Hospital (R.L.), Krakow, Warsaw University of Medical Sciences (A.B.) and the Neonatology Department, Center of Postgraduate Medical Education (M.W.), Warsaw, the Neonatal Unit, Specialist Hospital No. 2, Bytom (S.M.), the Department of Neonatology, Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Torun, Bydgoszcz (I.S.-K.), and the Department of Neonatology, Wroclaw Medical University, Wroclaw (B.K.-O.) - all in Poland; Pediatric Intensive Care and Neonatology, Children's University Hospital of Zurich (C.H.), and the Department of Neonatology, University Hospital Zurich (T.K., C.K.), Zurich, the Intensive Care Unit, Children's Hospital Lucerne, Lucerne (M.S., A.H.), the Clinic of Neonatology, Department of Women, Mother and Child, University Hospital Center, and the University of Lausanne, Lausanne (A.C.T.), and the Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, and University of Geneva, Geneva (O.B.) - all in Switzerland; the Department of Development and Regeneration Katholieke Universiteit Leuven, Leuven (G.N., L.T., A.S.), Service de Néonatologie, Clinique Centre Hospitalier Chrétien Montlégia-Liège-Belgium, Liege (P.M.), the Department of Neonatology, Grand Hôpital de Charleroi, Charleroi (C.L.), NICU, Tivoli Hospital, La Louviere (J. Buyst), and the Department of Neonatology, Algemeen Ziekenhuis St.-Jan Bruges, Bruges (L. Cornette) - all in Belgium; the Department of Pediatrics, Division of Newborn Medicine, Mountainside Medical Center, Montclair, NJ (J. Mintzer); Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (M.F., F.M., S.P.), the Department of Clinical Sciences and Community Health, University of Milan (M.F., F.M.), Milan, Unità Operativa Complessa di Neonatologia, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome (G.V.), the Department of Neonatology, Neonatal Intensive Care Unit and Pediatrics, Filippo Del Ponte Hospital, University of Insubria, Varese (M.A.), and Struttura Complessa Neonatologia, Osp. S.Anna-Città della Salute e della Scienza di Torino, Turin (E.M.) - all in Italy; NICU, Department of Pediatrics, Patras Medical School, Patras (G.D., E.S.), the 1st Department of Neonatology of Aristotle University of Thessaloniki, Ippokrateion General Hospital of Thessaloniki, Thessaloniki (K.S., K.T.), the Neonatal Intensive Care Unit, Alexandra University and State Maternity Hospital, Athens (E.P.), and the Department of Neonatology and NICU, University Hospital of Heraklion, Heraklion (E.H.) - all in Greece; the Infant Centre and Department of Paediatrics and Child Health, University College Cork, Cork (E.D., D.H.), and the School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland (A.E.-K.), National Maternity Hospital (A.C.), Coombe Women and Infant University Hospital (J. Miletin), and Ireland University College Dublin (J. Miletin), Dublin - all in Ireland; the Department of Neonatology, University Hospital Motol (J.T., V.K.), and the Institute for the Care of Mother and Child (J.Š., J. Miletin, P.K., J.K.) and the Third Faculty of Medicine, Charles University (J.Š., P.K.), Prague - all in Czechia; the Department of Neonatology, Children's Hospital of Fudan University, Shanghai (G.C., Z.P., L.W.), the Department of Neonatology, Longgang District Central Hospital, Shenzen (S.Z.), the Department of Neonatology, Maternal and Child Health Hospital of Zhuang Autonomous Region, Quangxi (X.G.), the Department of Neonatal Intensive Care Unit, Children's Hospital of Zhejiang University School of Medicine, Hangzhou (L.H.), the Department of Neonatology, Hainan Women and Children's Medical Center, Haikou (L.Y.), the Department of Neonatology, Xiamen Children's Hospital, Xiamen (X.X.), and the Department of Neonatology, the People's Hospital of Dehong, Mangshi (Z.Y.) - all in China; the Department of Neonatology, Oslo University Hospital, Oslo (S.F., T.N.); the Department of Neonatal Medicine, Royal Hospital for Children, Glasgow (A.M.H.), and the Neonatology Department, University Hospital Wishaw, Wishaw (K.M.) - both in the United Kingdom; the Department of Pediatrics (G.P., B.U.) and the Research Unit for Neonatal Micro- and Macrocirculation (G.P.), Medical University of Graz, Graz, Austria; the Division of Neonatology and Pediatric Intensive Care Medicine, Center for Pediatrics and Adolescents Medicine, Medical Center-University of Freiburg, and the Faculty of Medicine, University of Freiburg, Freiburg, Germany (H.F., J. Baumgartner); the Department of Neonatology, St. John's Medical College, Bangalore, India (S.N., S.A.R.); the Division of Neonatology, Department of Pediatrics, Loma Linda University Children's Hospital, Loma Linda, CA (A.O.H., M.M.K.); the Division of Neonatology, University of Utah Hospital, Salt Lake City (M. Baserga); the Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis (Z.V.); INSERM Unité 1141, University of Paris, Paris (O.B.); and the Division of Pediatrics-Neonatal-Perinatal, UT Southwestern, Dallas (L. Chalak).

المصدر: The New England journal of medicine [N Engl J Med] 2023 Apr 20; Vol. 388 (16), pp. 1501-1511.

نوع المنشور: Clinical Trial, Phase III; Journal Article; Multicenter Study; Randomized Controlled Trial

بيانات الدورية: Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

مواضيع طبية MeSH: Infant, Extremely Premature* , Infant, Premature, Diseases*/diagnosis , Infant, Premature, Diseases*/mortality , Infant, Premature, Diseases*/therapy , Oximetry*/methods, Humans ; Infant ; Infant, Newborn ; Brain Injuries/diagnostic imaging ; Brain Injuries/etiology ; Bronchopulmonary Dysplasia/etiology ; Cerebrovascular Circulation ; Cerebrum ; Ultrasonography ; Retinopathy of Prematurity/etiology ; Enterocolitis, Necrotizing/etiology ; Neonatal Sepsis/etiology