1. Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
2. Departments of Medicine, Ophthalmology, and Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, United States
3. Aier School of Ophthalmology, Central South University, Changsha, Hunan, China
4. Changsha Aier Eye Hospital, Changsha, Hunan, China