1. Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore
2. Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University Vagelos College of Physicians and Surgeons, New York City, New York, United States
3. Vitreous Retina Macula Consultants of New York, New York City, New York, United States
4. Ophthalmology & Visual Sciences Academic Clinical Program (Eye ACP), Duke-NUS Medical School, Singapore, Singapore
5. Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore