1. Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington
2. Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut
3. Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
4. Department of Pediatrics, Northwestern School of Medicine, Chicago, Illinois
5. Department of Pediatrics, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
6. Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
7. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia