1. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
2. Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong
3. Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Canada
4. Department of Ophthalmology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong
5. Department of Optometry, Health and Medical Sciences, The University of Western Australia, Perth, Australia
6. Department of Cornea and External Eye Disease, Singapore National Eye Center, Singapore, Singapore
7. Ocular Surface Research Group, Singapore Eye Research Institute, Singapore, Singapore
8. Ophthalmology and Visual Sciences Academic Clinical Programme, Duke-NUS Medical School, Singapore, Singapore