Osteoarthritis (OA) of the Hip

• Republic of Turkey Ministry of Health, Balıkesir Provincial Health Directorate, Atatürk City Hospital — Balıkesir, Turkey (Türkiye)
• Republic of Turkey Ministry of Health, Balıkesir Provincial Health Directorate, Burhaniye State Hospital — Balıkesir, Turkey (Türkiye)
• Dokuz Eylül University Research and Application Hospital — Izmir, Turkey (Türkiye)
• Republic of Turkey Ministry of Health Izmir Provincial Health Directorate Izmir Democracy University Buca Seyfi Demirsoy Training and Research Hospital — Izmir, Turkey (Türkiye)

• University of Utah Orthoaedic Center — Salt Lake City, Utah, United States

• Ankara Bilkent City Hospital — Ankara, Turkey (Türkiye)

• Middlesex Univeristy London — London, United Kingdom

• Bartın State Hospital — Bartın, Center, Turkey (Türkiye)

• Ochsner Health Center - Elmwood — Metairie, Louisiana, United States
• Ochsner Medical Center — New Orleans, Louisiana, United States

• WellSpan York Hospital — York, Pennsylvania, United States

• South Bend Orthopaedics — South Bend, Indiana, United States

• Active Aging Research Team, Robert H. N. Ho Research Centre — Vancouver, British Columbia, Canada

Not specified