1. Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
2. Duke-NUS Medical School, National University of Singapore, Singapore
3. School of Optometry and Vision Science, University of New South Wales, Sydney, Australia
4. Discipline of Optometry and Vision Science, Faculty of Health, University of Canberra, Canberra, Australia
5. Department of Ophthalmology, National University of Singapore, Singapore
6. Department of Cardiology, National Heart Centre, Singapore
7. Department of Endocrinology, Singapore General Hospital, Singapore
8. Department of Surgery and Medicine, University of Melbourne, Melbourne, Australia