1. Newborn Medicine and Respiratory Diseases, Boston Children’s Hospital, Boston, Massachusetts
2. Department of Pediatrics, Uniformed Services University of Health Sciences, Bethesda, Maryland
3. Department of Pediatrics, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire
4. Department of Pediatrics, Boston University School of Medicine, Boston, Massachusetts5Slone Epidemiology Center at Boston University, Boston, Massachusetts
5. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
6. Department of Neonatology, University of Tübingen, Tübingen, Germany
7. American SIDS Institute, Naples, Florida
8. Department of Neonatology, Kentucky Children’s Hospital, Lexington
9. Division of Neonatology, University of Alabama, Birmingham
10. Department of Pediatrics, St Joseph’s Hospital Health Center, Syracuse, New York
11. Department of Neonatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
12. Division of Neonatology, Department of Pediatrics, Bellevue Hospital, New York University, New York
13. Department of Pediatrics, Georgetown University, Washington DC
14. Department of Pediatrics, Western Pennsylvania Hospital, Pittsburgh
15. Division of Neonatal-Perinatal Medicine, Department of Pediatrics, William Beaumont Hospital, Royal Oak, Michigan
16. Department of Pediatrics, Northwestern Memorial Hospital, Northwestern University, Chicago, Illinois
17. Department of Pediatrics, Women’s and Children’s Hospital of Buffalo, State University of New York at Buffalo
18. Division of Neonatology, Department of Pediatrics, University of Texas, Galveston
19. Department of Pediatrics, University of Connecticut Health Center, Farmington
20. Department of Pediatrics, Memorial Hospital, South Bend, Indiana