1. Department of Ophthalmology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
2. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
3. Cochrane Eyes and Vision, International Centre for Eye Health, London School of Hygiene and Tropical Medicine, London, UK
4. Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5. Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Perth, Australia
6. Centre for Eye Research Australia; Ophthalmology, Department of Surgery, University of Melbourne, Melbourne, Australia
7. Vision and Blindness Prevention Programme, World Health Organization, Geneva, Switzerland