[1] Univ Palermo, Dept Precis Med Med Surg & Cit Care Me Pre CC, I-90133 Palermo, Italy
[2] Univ Roma La Sapienza, Dept Med & Psychol, I-00185 Rome, Italy
[3] Queen Mary Univ London, Mile End Hosp, Ctr Sports & Exercise Med, Barts & London Sch Med & Dent, London E1 4DG, England
[4] Keele Univ, Sch Pharm & Bioengn, Fac Med, Stoke on Trent ST4 7QB, England
[5] Acad Hosp Bolzano SABES ASDAA, Dept Orthopaed & Trauma Surg, I-39100 Bolzano, Italy
[6] San Raffaele Univ Milan, Villa Erbosa Hosp, Dept Orthoped & Trauma Surg, I-20132 Milan, Italy
[7] Oberlinklin GmbH, Dept Orthoped Surg, D-14482 Potsdam, Germany
[8] Link Campus Univ, Dept Life Sci Hlth & Hlth Profess, I-00165 Rome, Italy