Femur Head Necrosis

• St. Franziskus-Hospital — Ahlen, North Rhine-Westphalia, Germany
• St. Vincenz Hospital Brakel — Brakel, Germany
• St. Marien-Hospital — Mülheim, Germany
• radprax Krankenhaus Plettenberg GmbH — Plettenberg, Germany

• Istituto Ortopedico Franco Scalabrino — Messina, Italy

• Kartal Dr Lutfi Kirdar City Hospital — Istanbul, Turkey (Türkiye)

• Mississippi Sports Medicine and Orthopaedic Center PLLC — Jackson, Mississippi, United States
• Heartland Regional Medical Center d.b.a. Mosaic Life Care — Saint Joseph, Missouri, United States
• Orthopedic & Fracture Clinic, PC — Portland, Oregon, United States
• Copenhagen University Hospital, Hvidovre — Copenhagen, Denmark

• Clinique de Saint Omer — Blendecques, France
• Hôpital Castres — Castres, France
• Nouvelle Clinique Bordeaux Tondu — Floirac, France
• Clinique d'Orange — Orange, France

Not specified