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. The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
3. Centre for Public Health, Queen’s University Belfast, Belfast, Belfast, UK
4. Orbis International, New York, New York, USA