1. Department of Ophthalmology, The McGill University Health Center & Henry C. Witelson Ocular Pathology Laboratory, Montreal, Canada
2. Department of Ophthalmology, The McGill University Health Center & Henry C. Witelson Ocular Pathology Laboratory, Montreal, Canada,
3. Department of Ophthalmology, Federal University of São Paulo, UNIFESP/EPM, São Paulo, Brazil