1. Department of Orthopedic Surgery, Instituto Cugat, Hospital Quirón, Barcelona, Spain
2. Garcia-Cugat Foundation, Barcelona, Spain
3. Department of Anatomy, Universidad Internacional de Catalunya, Barcelona, Spain
4. Department of Radiology, Instituts Guirado, Barcelona, Spain
5. Hospital Quirón, Barcelona, Spain
6. Department of Orthopedic, Hospital Vall d'Hebron, Barcelona, Spain
7. Department of Orthopedic and Trauma, Hospital Clínic Barcelona, Spain
8. Mutualitat Catalana de Futbolistes, Barcelona, Spain