1 Division of Newborn Medicine, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA. [email protected].
2 Division of Newborn Medicine, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
3 Division of Cardiology, Children's National Hospital, Washington, DC, USA.
4 Division of Neonatology, Department of Pediatrics, Stollery Children's Hospital/University of Alberta, Edmonton, AB, Canada.
5 Division of Neonatology, Department of Pediatrics, Children's Wisconsin, Milwaukee, WI, USA.
6 Division of Neonatology, Department of Pediatrics, Children's Healthcare of Atlanta and Emory University School of Medicine, Atlanta, GA, USA.
7 Division of Neonatology, Department of Pediatrics, Children's Mercy-Kansas City, Kansas City, MO, USA.
8 Division of Neonatology, Department of Pediatrics, Nationwide Children's Hospital and The Ohio State University College of Medicine, Columbus, OH, USA.
9 Fetal and Neonatal Institute, Division of Neonatology, Children's Hospital Los Angeles, Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
10 Division of Neonatology, Texas Children's Hospital, Baylor College of Medicine, Houston, TX, USA.
11 Division of Neonatology, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH, USA.
12 Department of Pediatrics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
13 Department of Cardiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
14 Division of Maternal Fetal Medicine, Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
15 Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of Texas Southwestern, Dallas, TX, USA.