1. School of Public Health, Sun Yat-Sen University, Guangzhou, China; Department of General Practice, The Second Hospital of Hebei Medical University, Shijiazhuang, China; Usher Institute, Deanery of Molecular, Genetic and Population Health Sciences, The University of Edinburgh, Scotland, United Kingdom
2. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
3. JC School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong; Editor-in-Chief, Hong Kong Medical Journal