1. Division of Neonatology
2. Newborn Pediatrics, Pennsylvania Hospital, University of Pennsylvania, Philadelphia, Pennsylvania
3. Department of Pediatrics, Tufts University School of Medicine, Boston, Massachusetts
4. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
5. Department of Pediatrics, University of Colorado School of Medicine, Denver, Colorado
6. Newborn Research, Children’s Hospital of St Paul, St Paul, Minnesota
7. Department of Pediatrics, University of Minnesota School of Medicine, St Paul, Minnesota
8. Division of Neonatology, Children’s Hospital and Clinics of Minneapolis, Minneapolis, Minnesota
9. Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
10. Department of Pediatrics, Virginia Commonwealth University, Richmond, Virginia
11. Department of Pediatrics, State University of New York, Buffalo, New York
12. General Clinical Research Center, University of New Mexico School of Medicine, Albuquerque, New Mexico
13. Department of Health Evaluation Sciences, Pennsylvania State University College of Medicine, Hershey, Pennsylvania