1. Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina
2. Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia
3. Department of Biostatistics and Bioinformatics, Rollins School of Public Health of Emory University, Atlanta, Georgia
4. Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts
5. Department of Ophthalmology, Indiana University School of Medicine, Indianapolis
6. Department of Ophthalmology and Visual Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
7. Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California