1 Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo, 200, 00128, Rome, Trigoria, Italy. g.longo@unicampus.it.
2 Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo, 200, 00128, Rome, Trigoria, Italy.
3 Unit of Measurements and Biomedical Instrumentation, Campus Bio-Medico University of Rome, Via Alvaro del Portillo, 200, 00128, Rome, Trigoria, Italy.