1. Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
2. Department of Orthopedics, Seventh People's Hospital of Chongqing, Chongqing, China
3. Department of Trauma Surgery, University Hospital Rechts der Isar, Technical University of Munich, Munich, Germany