1. Department of Trauma Surgery, University of Schleswig-Holstein, 24105 Kiel, Germany
2. Department of Trauma Surgery, Hannover Medical School, 30625 Hannover, Germany
3. Department of Trauma Surgery, University of Aachen, 52074 Aachen, Germany
4. Department of Trauma Surgery, University of Marburg-Giessen, 35043 Marburg, Germany
5. Department of Trauma Surgery, University of Magdeburg, 39120 Magdeburg, Germany
6. Department of Trauma Surgery, University of Düsseldorf, 40225 Düsseldorf, Germany
7. Department of Trauma Surgery, University of Witten-Herdecke, 51109 Köln-Merheim, Germany
8. Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, 1200 Vienna, Austria
9. Department of Experimental Trauma Surgery, Klinikum Rechts der Isar, Technical University Munich, 81675 Munich, Germany