1. Department of Pediatrics, Duke University, Durham, North Carolina, USA
2. Duke Clinical Research Institute, Durham, North Carolina, USA
3. Department of Pediatrics, University of Minnesota Medical School, Minneapolis, Minnesota, USA
4. Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, USA
5. Division of Neonatology, Department of Pediatrics, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma, USA
6. Division of Neonatology, Department of Pediatrics, Hackensack University Medical Center, Hackensack, New Jersey, USA
7. Department of Pediatrics, Tufts Medical Center, Tufts University, Boston, Massachusetts, USA
8. Department of Pediatrics, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, USA
9. Division of Neonatology, Department of Pediatrics, Connecticut Children’s, Hartford, Connecticut, USA
10. Department of Pediatrics, Division of Neonatal-Perinatal Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
11. Loma Linda University, Loma Linda, California, USA
12. Division of Wilmington Pediatric Specialties, Department of Pediatrics, UNC School of Medicine, Chapel Hill, North Carolina, USA
13. Division of Neonatology, Department of Pediatrics, Levine Children’s Hospital, Wake Forest School of Medicine, Charlotte campus, Atrium Healthcare, Charlotte, North Carolina, USA
14. Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA
15. Division of Neonatal-Perinatal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
16. Mildred Stahlman Division of Neonatology, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Vanderbilt University Medical Center, Nashville, Tennessee, USA
17. Hospital Sainte-Justine, Montreal, Quebec, Canada
18. University of Minnesota Fairview University Medical Center, Minneapolis, Minnesota, USA
19. Women and Infants Hospital of Rhode Island, Providence, Rhode Island, USA
20. Wesley Medical Center, Wichita, Kansas, USA
21. University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
22. Hackensack University Medical Center, Hackensack, New Jersey, USA
23. Arkansas Children’s Hospital/Univ of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
24. Floating Hospital for Children at Tufts Medical Center, Boston, Massachusetts, USA
25. Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, USA
26. Columbia University Neonatology, New York, New York, USA
27. Cincinnati Children's Hospital, Cincinnati, Ohio, USA
28. University of Texas Health Science Center at Houston, Houston, Texas, USA
29. Duke University Hospital, Durham, North Carolina, USA
30. Shands Medical Center, Gainesville, Florida, USA
31. Connecticut Children's Medical Center, Hartford, Connecticut, USA
32. Sharp Mary Birch, San Diego, California, USA
33. Brookdale University Hospital, Brooklyn, New York, USA
34. University of North Carolina Hospitals, Chapel Hill, North Carolina, USA
35. Loma Linda University School of Medicine, Loma Linda, California, USA
36. East Carolina University, Greenville, North Carolina, USA
37. University of Maryland, Baltimore, Maryland, USA
38. Division of Wilmington Pediatric Specialties, Wilmington, North Carolina, USA
39. Kings County Hospital, Brooklyn, New York, USA
40. The Children's Hospital Research Institute of Manitoba, Inc., Winnipeg, Manitoba, Canada
41. WakeMed Faculty Neonatology, Raleigh, North Carolina, USA
42. Carilion Roanoke Memorial Hospital, Roanoke, Virginia, USA
43. Levine Children's Hospital, Charlotte, California, USA
44. Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana, USA
45. UH Rainbow Babies and Children's Hospital, Cleveland, Ohio, USA
46. Monroe Carell Jr. Children’s Hospital at Vanderbilt, Vanderbilt University Medical Center, Nashville, Tennessee, USA
47. University of Utah, Salt Lake City, Utah, USA