1. New England Eye Center, Tufts Medical Center, Boston, Federal University of São Paulo, School of Medicine, São Paulo, Brazil
2. New England Eye Center, Tufts Medical Center, Boston
3. Stein Eye Institute, UCLA, Los Angeles, Greater Los Angeles VA Healthcare Center, Los Angeles
4. Vitreous Retina Macula Consultants of New York, New York, Department of Ophthalmology, New York University School of Medicine, New York