1. Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada
2. Kensington Vision and Research Centre, Toronto, Ontario, Canada
3. Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
4. Institute for Better Health, Trillium Health Partners, Mississauga, Ontario, Canada
5. Evaluative Clinical Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
6. Institute for Clinical Evaluative Sciences in Ontario, Toronto, Ontario, Canada
7. Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada