1. Department of Pediatrics, The Robert Larner, M.D. College of Medicine, The University of Vermont, Burlington, Vermont;
2. Departments of Biostatistics and
3. Department of Pediatrics, Medical Center, University of Mississippi, Jackson, Mississippi;
4. Research Triangle Institute International, Rockville, Maryland;
5. Health Sciences Center, The University of New Mexico, Albuquerque, New Mexico;
6. National Institute of Child Health and Human Development, Bethesda, Maryland;
7. College of Health and Human Services, George Mason University, Fairfax, Virginia;
8. Department of Pediatrics and Center for the Study of Children at Risk, Warren Alpert Medical School, Brown University and
9. Division of Neonatology and Perinatal Institute and
10. Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, Ohio;
11. Environmental Influences on Child Health Outcomes Program and Office of the Director, National Institutes of Health, Rockville, Maryland;
12. Duke Clinical Research Institute, School of Medicine, Duke University, Durham, North Carolina;
13. Department of Pediatrics, College of Medicine, Medical University of South Carolina, Charleston, South Carolina;
14. Department of Pediatrics, School of Medicine, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, West Virginia;
15. Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island;
16. Nebraska Medical Center, Omaha, Nebraska;
17. Division of Neonatology, Department of Pediatrics, ChristianaCare, Newark, Delaware;
18. Nationwide Children’s Hospital and College of Medicine, The Ohio State University, Columbus, Ohio;
19. School of Public and Community Health Sciences, University of Montana, Missoula, Montana;
20. Department of Pediatrics, School of Medicine, University of South Carolina, Columbia, South Carolina;
21. Children’s Hospital at Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire; and
22. Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio;
23. Pediatrics, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas;
24. Department of Pediatrics, School of Medicine, University of Louisville, Louisville, Kentucky