1. Department of Renal Medicine, Singapore General Hospital, Singapore
2. Department of Medicine, National University of Singapore, National Univerity Health System, Singapore
3. Singapore Eye Research Institute, Singapore
4. Office of Clinical Sciences, Duke-NUS Graduate Medical School, Singapore
5. Diabetes Centre, Khoo Teck Puat Hospital, Singapore
6. National Registry of Diseases Office, Singapore
7. School of Public Health, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
8. Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Graduate Medical School, National University of Singapore, Singapore
9. Department of Ophthalmology, National University of Singapore, Singapore