[1] Department of Ophthalmology, Emory University School of Medicine, Atlanta
[2] Ocular Inflammation Service, Department of Ophthalmology, Scheie Eye Institute, University of Pennsylvania, Philadelphia
[3] Retina Service, Wills Eye Institute, Philadelphia
[4] Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
[5] Center for Preventative Ophthalmology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, 3535 Market St., Philadelphia