1 Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany.
2 Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Münster, Germany.
3 Charité - Universitätsmedizin Berlin, Berlin, Germany; Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Center for Musculoskeletal Surgery (CMSC), Berlin, Germany.