1. Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
2. Department of Quality Assurance, University Medical Billing, Salt Lake City, Utah
3. Department of Pediatrics, Emory University/Children's Healthcare of Atlanta, Atlanta, Georgia
4. Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
5. Division of Neonatology, Department of Pediatrics, University of Texas at Austin Dell Medical School, Austin, Texas
6. Division of Neonatology, Department of Pediatrics, Ann & Robert H Lurie Children's Hospital, Feinberg School of Medicine at Northwestern University, Chicago, Illinois
7. Department of Neonatology, Envision Physician Services, Wellington Regional Medical Center, Wellington, Florida
8. Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda University Children's Hospital, California