Retina Institute of California (site 207), Pasadena, California, United States
Miramar Eye Specialists Medical Group (site 245), Ventura, California, United States
Florida Eye Microsurgical Institute, Inc. (site 217), Boynton Beach, Florida, United States
Radiant Research Inc., Anderson, South Carolina, United States
Northwestern University, Chicago, Illinois, United States
New York University Medical Center, New York, New York, United States
Retina Associates of Cleveland, Beechwood, Ohio, United States
Associated Retinal Consultants, P.C., Royal Oak, Michigan, United States
Retina-Vitreous Consultants, Livingston, New Jersey, United States
Vitreoretinal Consultants Houston TX, Houston, Texas, United States
Clinical Research of West Florida, Clearwater, Florida, United States
Diabetes and Glandular Disease Research Associates, San Antonio, Texas, United States
Profil Institute for Clinical Research Inc., Chula Vista, California, United States
Pinnacle Research Group, Anniston, Alabama, United States
Diablo Clinical Research, Walnut Creek, California, United States
Diabetes - Endocrinology Center of West New York, Buffalo, New York, United States
L.H.S.C. University Campus, London, Ontario, Canada
Ottawa Hospital, Ottawa, Ontario, Canada