1 Princess Margaret Cancer Center/University Health Network, Ocular Oncology Service, Department of Ophthalmology and Visual Sciences, University of Toronto, Toronto, Ontario, Canada; Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, and College of Medicine, Chang Gung University, Taoyuan, Taiwan.
2 Department of Pathology, Toronto General Hospital, Toronto, ON, Canada.
3 Princess Margaret Cancer Center/University Health Network, Ocular Oncology Service, Department of Ophthalmology and Visual Sciences, University of Toronto, Toronto, Ontario, Canada.