1. Sankara Nethralaya, Medical Research Foundation, Chennai, Tamil Nadu, India
2. Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Singapore National Eye Centre, Singapore, Singapore
4. Institute of Infectious Disease and Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore
5. Postgraduate Institute of Medical Education and Research, Chandigarh, India
6. Moorfields Eye Hospital, NHS Foundation Trust, London, UK
7. National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore