1. Department of Ophthalmology, Tung Wah Eastern Hospital, Hong Kong Special Administrative Region, China
2. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
3. Department of Ophthalmology, Salmaniya Medical Complex, Government Hospitals, Manama, Bahrain
4. Department of Ophthalmology, Vicente Sotto Memorial Medical Center, Cebu City, Philippines
5. Department of Statistics, The Chinese University of Hong Kong Special Administrative Region, Hong Kong Special Administrative Region, China
6. Department of Pathology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China
7. Department of Ophthalmology, Hong Kong Sanatorium & Hospital, Hong Kong Special Administrative Region, China
8. Department of Ophthalmology and Visual Sciences, Princes of Wales Hospital, Hong Kong Special Administrative Region, China
9. Department of Ophthalmology, Grantham Hospital, Hong Kong Special Administrative Region, China
10. Department of Ophthalmology, Caritas Medical Center, Hong Kong Special Administrative Region, China
11. Department of Ophthalmology, United Christian Hospital, Hong Kong Special Administrative Region, China
12. Department of Ophthalmology, Tuen Mun Hospital, Hong Kong Special Administrative Region, China
13. Hong Kong Eye Hospital, Hong Kong Special Administrative Region, China