1. Operative Research Unit of Orthopaedic and Trauma Surgery Fondazione Policlinico Universitario Campus Bio‐Medico Rome Italy
2. Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery Università Campus Bio‐Medico di Roma Rome Italy
3. Department of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan
4. Faculty of Law La Sapienza University of Rome Rome Italy