1. Scheie Eye Institute at the Perelman Center for Advanced Medicine, Perelman School of Medicine, Department of Ophthalmology, University of Pennsylvania, Philadelphia
2. Department of Ophthalmology, Altino Ventura Foundation, Recife, Brazil3Department of Ophthalmology, HOPE Eye Hospital, Recife, Brazil4Department of Ophthalmology, Federal University of São Paulo, Paulista Medical School, São Paulo, Brazil
3. Rehabilitation Center Menina dos Olhos, Altino Ventura Foundation, Recife, Brazil
4. Department of Ophthalmology, Altino Ventura Foundation, Recife, Brazil3Department of Ophthalmology, HOPE Eye Hospital, Recife, Brazil
5. Department of Ophthalmology, Federal University of São Paulo, Paulista Medical School, São Paulo, Brazil