Osteoarthritis, Knee

• UAB Orthopaedic Surgery — Birmingham, Alabama, United States
• Alabama Orthopaedic Center — Birmingham, Alabama, United States
• Tuscon Orthopedic Institute — Tucson, Arizona, United States
• Horizon Clinical Research — La Mesa, California, United States

• Private Healthcare Facilty "Clinical hospital "RZHD-Medicina" of the city Saint-Petersburg — Saint Petersburg, Russia
• State budgetary healthcare facility of Yaroslavl Region "Clinical hospital №3" — Yaroslavl, Russia

• University of Nottingham — Nottingham, Nottinghamshire, United Kingdom

• Faculity of Medicine — Idlib, Syria

• UT Health San Antonio, Rehabilitation Biomechanics Lab — San Antonio, Texas, United States

• Carilion Clinic — Roanoke, Virginia, United States

• CHU Cochin — Paris, France

• Instituto de Medicina Física e Reabilitação (IMREA-FMUSP) — São Paulo, Brazil

Not specified

• Federal University of Pelotas, Pelotas, Brazil — Pelotas, Rio Grande do Sul, Brazil