1. Division of Ophthalmology, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
2. Perelman School of Medicine, Scheie Eye Institute, University of Pennsylvania, Philadelphia
3. Department of Ophthalmology, University of California, San Francisco
4. Division of Neonatology, University of Iowa, Iowa City
5. Division of Neonatology, Johns Hopkins University, Baltimore, Maryland
6. Department of Ophthalmology, Vanderbilt University, Nashville, Tennessee
7. Department of Ophthalmology, Johns Hopkins University, Baltimore, Maryland
8. Department of Ophthalmology, Nationwide Children’s Hospital, Columbus, Ohio
9. Abrahamson Pediatric Eye Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
10. Department of Ophthalmology, University of Cincinnati College of Medicine, Cincinnati, Ohio