1. Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden;
2. Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, IRCCS AOU San Martino-IST University-Hospital, Genoa, Italy;
3. Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden