1 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Eye Hospital, Kowloon, Hong Kong SAR, China.
2 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Prince of Wales Hospital, Shatin, Hong Kong SAR, China.
3 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
4 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong SAR, China.
5 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; Hong Kong Eye Hospital, Kowloon, Hong Kong SAR, China; Prince of Wales Hospital, Shatin, Hong Kong SAR, China. Electronic address: clemtham@cuhk.edu.hk.