1. Department of Orthopaedics, IRCCS Ospedale Sacro Cuore Don Calabria, 37024 Negrar, Italy
2. Department of Orthopaedics and Trauma Surgery, University of Verona, Piazzale A. Stefani 1, 37136 Verona, Italy
3. Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60020 Ancona, Italy