1. Stein Eye Institute, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, United States
2. Greater Los Angeles VA Healthcare Center, Los Angeles, California, United States
3. Vitreous Retina Macula Consultants of New York, New York, New York, United States
4. Department of Ophthalmology, New York University School of Medicine, New York, New York, United States
5. Doheny Eye Institute, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States