Knee Osteoarthristis

• Johns Hopkins School of Medicine — Baltimore, Maryland, United States
• Mass General Brigham — Chestnut Hill, Massachusetts, United States

• Kaohsiung Chang Gung Memorial Hospital — Kaohsiung City, Taiwan

• Taipei Tzu Chi Hospital International Medical Service Center — Taipei, Taiwan

• MedLife Humanitas Hospital — Cluj-Napoca, Cluj, Romania
• Medicover Cluj Hospital — Cluj-Napoca, Cluj, Romania

• Aretaieion University Hospital — Athens, Greece

• Cairo Universty — Giza, Giza Governorate, Egypt

• Medizinisches Zentrum Bad Vigaun GmbH & Co. KG — Hallein, State of Salzburg, Austria

• King Saud university — Riyadh, Riyadh Region, Saudi Arabia

• University of California San Francisco — San Francisco, California, United States

Not specified