1. Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, Maryland
2. Department of Ophthalmology, Yale New Haven Hospital, New Haven, Connecticut
3. Department of Ophthalmology, San Antonio Military Medical Center, San Antonio, Texas
4. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
5. Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
6. Department of Ophthalmology, Balboa Naval Hospital, San Diego, California
7. Department of Ophthalmology, Madigan Army Medical Center, Base Lewis-McChord, Washington
8. Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
9. Department of Ophthalmology, Krieger Eye Institute, Sinai Hospital of Baltimore, Baltimore, Maryland
10. Department of Ophthalmology, Walter Reed National Military Medical Center, Bethesda, Maryland
11. Oculo-Facial Cosmetic and Reconstructive Surgery, Colorado Springs, Colorado
12. Department of Vitreoretinal Surgery, Duke University, Durham, North Carolina