1. From the State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China; the 2Department of Ophthalmology, University of California, San Francisco, San Francisco, California; and the
2. Peking University Third Hospital, Peking University Eye Center, Beijing, China.
3. From the State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China; the
4. Department of Ophthalmology, University of California, San Francisco, San Francisco, California; and the