Foundation Fighting Blindness, Columbia, Maryland, United States
Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland, United States
Greater Baltimore Medical Center, Baltimore, Maryland, United States
Cole Eye Institute, Cleveland Clinic, Cleveland, Ohio, United States
University of Utah School of Medicine, Moran Eye Center, Salt Lake City, Utah, United States
University of Tennessee, Hamilton Eye Institute, Memphis, Tennessee, United States
Retina Foundation of the Southwest, Dallas, Texas, United States