1. Tianjin Medical University Eye Institute, College of Optometry and Ophthalmology, Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Research Center of Ophthalmology and Vision Science, Tianjin Medical University Eye Hospital, Tianjin 300382, China
2. Singapore Eye Research Institute, Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Tangshan Eye Hospital, Tangshan 063000, China