1. Department for Life Quality Studies, University of Bologna, Bologna, Italy.
2. 2nd Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
3. Scienze e Tecnologie chirurgiche, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
4. Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.