1. IRCCS Istituto Ortopedico Rizzoli, 1st Orthopaedics and Traumatology Clinic, University of Bologna, 40136 Bologna, Italy
2. Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
3. IGEA SpA—Clinical Biophysics, 41012 Carpi, Italy
4. Orthopaedics and Traumatology Unit, “Maggiore della Carità” Hospital, Department of Health Sciences, University of Piemonte Orientale, 28100 Novara, Italy
5. Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center “P. Confortini”, P.le A. Stefani, 1, 37126 Verona, Italy