1. Department of Pediatrics, Division of Neonatology Indiana University School of Medicine Indianapolis Indiana USA
2. Department of Pediatrics, Division of Neonatology University of Texas Southwestern Medical Center Dallas Texas USA
3. Division of Neonatology Children's Hospitals Orange County Orange California USA
4. Division of Neonatology University of Washington School of Medicine Seattle Washington USA
5. Department of Pediatrics, Division of Neonatology Baylor College of Medicine Houston Texas USA
6. Division of Neonatology, Perinatal Institute, Department of Pediatrics, Cincinnati Children's Hospital Medical Center University of Cincinnati College of Medicine Cincinnati Ohio USA
7. Department of Surgery Indiana University School of Medicine Indianapolis Indiana USA
8. Division of Neonatal‐Perinatal Medicine Emory University and Children's Healthcare of Atlanta Atlanta Georgia USA
9. Department of Pediatrics, Division of Neonatology, University of Missouri ‐ Kansas School of Medicine Children's Mercy Hospitals and Clinics Kansas City Missouri USA
10. Division of Neonatal and Perinatal Medicine, Sidney Kimmel Medical College Thomas Jefferson University Philadelphia Pennsylvania USA
11. Division of Neonatology Pediatrix and Obstetrix Specialists of Houston Houston Texas USA
12. Department of Pediatrics, Division of Newborn Medicine University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA