1. Department of Clinical Laboratory, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, PR China;
2. Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, PR China;
3. Zhongshan Ophthalmic Center, State Key Laboratory of Ophthalmology, Sun Yat-sen University, Guangzhou, PR China;
4. Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, PR China