Diabetic Retinopathy

• Universitair Ziekenhuis — Ghent, Belgium
• Institut Klinické a Experimentální Mediciny — Prague, Czechia
• Universita Karlova v Praze — Prague, Czechia
• Steno Diabets Center Copenhagen — Gentofte Municipality, Denmark

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• 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

• Retina Consultants of Houston — Houston, Texas, United States
• Retina Consultants of Houston — Katy, Texas, United States
• Retina Consultants of Houston — The Woodlands, Texas, United States

Not specified

• Medical University of Vienna — Vienna, Austria