Affiliation: | 1. Department of Ophthalmology, California Pacific Medical Center, San Francisco, California, USA;2. Departments of Ophthalmology and Quality, Kaiser Permanente, Walnut Creek, California, USA;3. Division of Research, Kaiser Permanente Northern California, Oakland, California, USA;4. Department of Ophthalmology, Kaiser Permanente, Pasadena, California, USA;5. Division of Infectious Diseases, Department of Ophthalmology, Oregon Health and Sciences University, Portland, Oregon, USA |