Hip Osteoarthritis

• Hospital Universitario San Cecilio- Distrito Sanitario Metropolitano Granada — Granada, Spain

• Department of Orthopaedic Surgery, Aarhus University Hospital (AUH) — Aarhus, Denmark
• Department of Orthopaedic Surgery, Naestved Hospital — Næstved, Denmark
• Department of Orthopaedic Surgery and Traumatology, Odense University Hospital (OUH) — Odense, Denmark
• Depatment of Orthopaedic Surgery, Vejle Hospital — Vejle, Denmark

• The MORE Foundation — Phoenix, Arizona, United States
• University of California, San Francisco — San Francisco, California, United States
• Midwest Orthopaedics at Rush — Chicago, Illinois, United States
• Reno Orthopedic Center Foundation — Reno, Nevada, United States

• Northwestern University Department of Orthopaedic Surgery — Chicago, Illinois, United States

Not specified

• Odense University Hospital, OUH — Odense, Denmark
• Odense University Hospital, OUH — Svendborg, Denmark
• Lillebaelt Hospital - Vejle — Vejle, Denmark

• NHS Lothian — Edinburgh, Lothian, United Kingdom

• Edinburgh Orthopaedics — Edinburgh, Midlothian, United Kingdom

• Queen's University — Kingston, Ontario, Canada

• Sahlgrenska University Hospital — Gothenburg, Västra Götaland County, Sweden
• Sahlgrenska University hospital — Gothenburg, Sweden