1. Department of Ophthalmology, People's Hospital, Peking University, Beijing, China.
2. Key Laboratory of Vision Loss and Restoration, Ministry of Education, Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, China.
3. Beijing Ophthalmology and Visual Science Key Lab, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.
4. Department of Clinical Laboratory, People's Hospital, Peking University, Beijing, China.