1. Singapore Eye Research Institute and Singapore National Eye Centre; Singapore Singapore
2. Department of Ophthalmology; Yong Loo Lin School of Medicine; National University of Singapore and National University Health System; Singapore Singapore
3. Saw Swee Hock School of Public Health; National University of Singapore; Singapore Singapore
4. DSO National Laboratories; Defence Medical and Environmental Research Institute; Singapore Singapore
5. Vision Performance Centre; Military Medical Institute; Singapore Armed Forces; Singapore Singapore
6. Duke-NUS Medical School; Singapore Singapore