1 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
2 Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada.
3 Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada.
4 Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada; Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Department of Ophthalmology, Kensington Vision and Research Center, Toronto, Ontario, Canada.
5 Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada; Department of Ophthalmology, St. Michael's Hospital/Unity Health Toronto, Toronto, Ontario, Canada. Electronic address: rajeev.muni@utoronto.ca.