1. Department of Ophthalmology and Visual Sciences The Chinese University of Hong Kong Shatin Hong Kong
2. Hong Kong Eye Hospital Kowloon Hong Kong
3. C‐MER Dennis Lam & Partners Eye Center C‐MER International Eye Care Group Central Hong Kong
4. Singapore Eye Research Institute Singapore National Eye Centre Singapore City Singapore
5. Department of Ophthalmology Hong Kong Sanatorium and Hospital Happy Valley Hong Kong