1. Department of Ophthalmology, First People's Hospital of Shanghai, Shanghai Jiaotong University, Shanghai, China;
2. Department of Endocrinology and Metabolism, the Sixth People's Hospital of Shanghai Affiliated to Shanghai Jiaotong University, Shanghai, China;
3. Department of Ophthalmology, Anhui Provincial Hospital, Hefei, China;
4. Hong Kong Eye Associates, Hong Kong, China.