1. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
2. Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
3. Shantou University/The Chinese University of Hong Kong Joint Shantou International Eye Center, Shantou, China
4. Prince of Wales Hospital Eye Centre, Hong Kong, China
5. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China 4Prince of Wales Hospital Eye Centre, Hong Kong, China
6. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China 3Shantou University/The Chinese University of Hong Kong Joint Shantou International Eye Center, Shantou, China
7. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China 3Shantou University/The Chinese University of Hong Kong Joint Shantou International Eye Center, Shantou, China 4Prince of Wales Hospital Eye Centre, Hong Kong, China