1. Singapore Eye Research Institute, Singapore National Eye Centre, Singapore2Ophthalmology and Visual Sciences Academic Clinical Program, Duke–National University of Singapore Medical School, National University of Singapore, Singapore
2. Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
3. Ophthalmology and Visual Sciences Academic Clinical Program, Duke–National University of Singapore Medical School, National University of Singapore, Singapore
4. Department of Ophthalmology and Visual Sciences, Khoo Teck Puat Hospital, Singapore
5. Centre for Vision Research, Department of Ophthalmology, University of Sydney, Sydney, New South Wales, Australia5Westmead Institute for Medical Research, University of Sydney, Sydney, New South Wales, Australia