1. Mid Atlantic Retina, Wills Eye Hospital, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
2. Department of Ophthalmology, New York University School of Medicine, New York, NY, USA
3. Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
4. Department of Ophthalmology and Visual Science, Retina Service, University of Chicago, Chicago, IL, USA
5. Department of Ophthalmology & Visual Sciences, Medical College of Wisconsin, Milwaukee, WI, USA
6. Retina Consultants of Houston, Blanton Eye Institute, Houston Methodist Hospital, Weill Cornell Medical College, Houston, TX, USA