[1] Univ Florence, Careggi Univ Hosp, Orthopaed Clin, I-50121 Florence, Italy
[2] Univ Link, Dept Life Sci Hlth & Hlth Profess, I-00165 Rome, Italy
[3] Fdn Poliambulanza, Unita Traumatol Sport, Sez Chirurg Protes Indirizzo Robot, I-25124 Brescia, Italy
[4] APUANE NOA Hosp, Ortopedia & Traumatol, I-54100 Massa, Italy
[5] CONI, Inst Sports Med & Sci, I-20137 Rome, Italy
[6] Butterfly Srl, I-38123 Trento, Italy