1. Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
2. Department of Ophthalmology and Visual Sciences, Dalhousie University, Halifax, Nova Scotia, Canada.
3. Department of Ophthalmology, McGill University, Montreal, Quebec, Canada.
4. Department of Ophthalmology, University of Montreal, Montreal, Quebec, Canada.
5. Montreal Glaucoma Institute, Montreal, Quebec, Canada.