1. Doheny Eye Institute, Los Angeles, California2Department of Ophthalmology, David Geffen School of Medicine, University of California, Los Angeles
2. Doheny Eye Institute, Los Angeles, California
3. Pacific Ophthalmology Consulting, Portland, Oregon
4. Casey Eye Institute, Oregon Health & Science University, Portland
5. Retina Foundation of the Southwest, Dallas, Texas
6. Division of Epidemiology and Clinical Applications, National Eye Institute, National Institutes of Health, Bethesda, Maryland