Vision Incorporated, Savannah, Georgia, United States
Philadelphia Eye Associates, Philadelphia, Pennsylvania, United States
Western Wake Eye Center, P.A., Cary, North Carolina, United States
Montana Medical Research, LLC, Missoula, Montana, United States
Sall Eye Research Center, Artesia, California, United States
Western New York Eye Center, Orchard Park, New York, United States
Robert Rush University Medical Center, Chicago, Illinois, United States
Loyola University of Chicago, Maywood, Illinois, United States
Cleveland VA Medical Center, Cleveland, Ohio, United States
Local Institution, Milwaukee, Wisconsin, United States
Thomas Jefferson University, Philadelphia, Pennsylvania, United States
Clinical Research Institute, Witchita, Kansas, United States
Uptown Research Institute, Llc, Chicago, Illinois, United States
Local Institution, Wauwatosa, Wisconsin, United States
Local Institution, San Juan, Puerto Rico
Local Institution, Falls Church, Virginia, United States
Local Institution, Berea, Kwa Zuluu Natal, South Africa