1. a Department of Trauma Surgery, University Hospital of Giessen-Marburg, Rudolf-Buchheim-Strasse 7, D-35385 Giessen, Germany; Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany
2. b Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany; Department of Trauma Surgery, HELIOS Hospital Erfurt; Nordhaeuserstrasse 74, D-99089 Erfurt, Germany
3. c Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany
4. d BIOMET Deutschland GmbH; Frankfurter Strasse 129, D-64293 Darmstadt, Germany
5. e BIOMET Deutschland GmbH; Frankfurter Strasse 129, D-64293 Darmstadt, Germany
6. f Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany
7. g Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany
8. h Department of Trauma Surgery, University Hospital of Giessen-Marburg, Rudolf-Buchheim-Strasse 7, D-35385 Giessen, Germany; Laboratory of Experimental Trauma Surgery, University of Giessen, Kerkrader Strasse 9, D-35394 Giessen, Germany