1. Department of Orthopaedic Surgery and Traumatology, Hospital Vithas Parque San Antonio, Málaga, España, Spain
2. Department of Orthopaedic Surgery, Hospital Clínico Universitario Virgen de la Victoria, Málaga, España, Spain
3. Department of Orthopaedic Surgery, Hospital Regional Universitario de Málaga, Málaga, España, Spain
4. Department of Orthopaedic Surgery, Hospital de Antequera, Antequera, España, Spain