1. Department of Ophthalmology, Yijishan Hospital of Wannan Medical College, Wuhu, China
2. Centre for Eye Research Australia; Ophthalmology, Department of Surgery, University of Melbourne; Royal Victorian Eye and Ear Hospital, Melbourne, Australia
3. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
4. Eye Center, Renmin Hospital of Wuhan University, Eye Institute of Wuhan University, Wuhan, China
5. Melbourne Sexual Health Centre, Alfred Health, Melbourne, Australia
6. Central Clinical School, Faculty of Medicine, Monash University, Melbourne, Australia
7. Department of epidemiology, School of Public Health, Xi’an Jiaotong University, Xi’an, China