| Affiliation: | 1. Francis I. Proctor Foundation, University of California, San Francisco, San Francisco, California;2. Department of Ophthalmology, University of California, San Francisco, San Francisco, California;3. Division of Research, Kaiser Permanente Northern California, Oakland, California;4. Byers Eye Institute, Stanford University, Palo Alto, California;5. Lions VisionGift, Portland, Oregon;6. Departmet of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California;7. Cornea Image Analysis Reading Center, University Hospitals Eye Institute and Department of Ophthalmology and Visual Sciences, Case Western Reserve University, Cleveland, Ohio;8. Casey Eye Institute, Oregon Health & Science University, Portland, Oregon |
