Diabetic Retinopathy

• Penn State Milton S. Hershey Medical Center — Hershey, Pennsylvania, United States

• Sydney Eye Hospital — Sydney, New South Wales, Australia
• Centre for Eye Research Australia (Royal Victorian Eye & Ear Hospital) — Melbourne, Victoria, Australia
• Lions Eye Institute — Perth, Western Australia, Australia

• Penn State College of Medicine, Penn State Milton S. Hershey Medical Center — Hershey, Pennsylvania, United States

• Rasool Akram Hospital — Tehran, Iran

• Department of Ophthalmology, The University of Hong Kong, Hong Kong — Hong Kong

Not specified

• Medical University of Vienna — Vienna, Austria

• LAC+USC Medical Center — Los Angeles, California, United States

• Los Angeles Biomedical Research Institute — Los Angeles, California, United States

• The Berman Center for Clinical Research — Minneapolis, Minnesota, United States
• Columbia University — New York, United States
• Wake Forest University Health Sciences — Winston-Salem, North Carolina, United States
• Case Western Reserve University — Cleveland, Ohio, United States