1. Department of Ophthalmology and Visual Sciences, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
2. Westmead and Central (Save Sight Institute) Clinical Schools, Discipline of Clinical Ophthalmology and Eye Health, University of Sydney, Sydney, Australia
3. Department of Ophthalmology, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
4. Department of Pathology, Queen Elizabeth Hospital, Charlottetown, Prince Edward Island, Canada
5. Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania, USA