1. Department of Ophthalmology, Retina Center, New York Eye and Ear Infirmary, New York, New York.
2. Department of Ophthalmology, New York Medical College, Valhalla, New York.
3. Department of Ophthalmology, Federal University of São Paulo, São Paulo, Brazil.
4. Department of Ophthalmology, New York University Medical Center, New York, New York.