1. Hand Surgery Unit, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
2. Orthopedic Surgery and Traumatology Unit, clínica AVANFI, Madrid, Madrid, Spain
3. Orthopedic Surgery and Traumatology Unit, Clínica Pakea de Mutualia, Donostia/San Sebastián, Guipúzcoa, País Vasco, Spain
4. Musculoskeletal Radiology Service, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
5. SERMAS institution, Madrid, Spain