1. The Save Sight Institute, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
2. School of Public Health, University of Sydney, Sydney New South Wales, Australia
3. Marsden Eye Specialists, Parramatta, New South Wales, Australia
4. Centre for Eye Research Australia, University of Melbourne, Royal Victorian Eye and Ear Hospital, Victoria, Australia
5. Lions Eye Institute, Centre for Ophthalmology and Vision Science, University of Western Australia, Western Australia
6. The Save Sight Institute, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia 6Retina Associates, Chatswood, New South Wales, Australia
7. Academic Unit of Ophthalmology, Australian National University, Acton, Australia
8. University of Western Australia Department of Population Health, Perth, Western Australia
9. The Save Sight Institute, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia 9Department of Ophthalmology, University Hospital Zurich, University of Zurich, Zurich, Switzerland