1 Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Trigoria, Rome, Italy. g.longo@unicampus.it.
2 Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Trigoria, Rome, Italy.
3 Melbourne Medical School, University of Melbourne, Melbourne, VIC, 3010, Australia.