1. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China
2. Research School of Biology, College of Medicine, Biology and Environment, Australia National University, Canberra, Australia
3. Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, China
4. Health Promotion Centre for Primary and Secondary Schools of Guangzhou Municipality, Guangzhou, China
5. Centre for Eye Research Australia, Ophthalmology, Department of Surgery, University of Melbourne, Melbourne, Australia