1. Department of Ophthalmology and Otorhinolaryngology, Federal University of Paraná, Curitiba, Brazil
2. Retina Service, Oftalmolages Day Hospital, Lages, Brazil
3. Department of Ophthalmology, Federal University of São Paulo/Paulista School of Medicine, São Paulo, Brazil
4. Retina Service, Hospital de Olhos de Sergipe, Aracaju, Brazil
5. Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile