Retina Vitreous Associates Medical Group, Beverly Hills, California, United States
Retinal Diagnostic Center, Campbell, California, United States
Retina Research Institute of Texas, Abilene, Texas, United States
Mount Sinai Medical Center, Dept of Neurosurgery, New York, New York, United States
Rancho Los Amigos National Rehabilitation Center/USC, Downey, California, United States
Foothills Medical Center, Calgary, Alberta, Canada
Retina Foundation of the Southwest, Dallas, Texas, United States
Uniklinik Balgrist, Zurich, Switzerland
New York Eye and Ear Infirmary, New York, New York, United States
Byers Eye Institute at Stanford, Stanford Hospital and Clinics, Palo Alto, California, United States
Retina-Vitreaous Associates Medical Group, Los Angeles, California, United States
UCSF Medical Center, San Francisco, California, United States
Toronto Western Hospital, Toronto, Ontario, Canada
Foothills Medical Center, Calgary, Alberta, Canada
University Hospital Balgrist- Uniklinik Balgrist, Forschstrasse 340, Zurich, Switzerland
Oregon Health and Science University, Portland, Oregon, United States
University of California, San Francisco, San Francisco, California, United States
Oregon Health and Science University, Portland, Oregon, United States