1. Center for Orthopedics and Trauma Surgery, University Hospital Giessen and Marburg, Marburg, Germany
2. Trauma Department, University of Aachen, Aachen, Germany
3. Department of Anesthesiology and Critical Care, University Hospital Giessen and Marburg, Marburg, Germany
4. Institute of Pathology, University of Aachen, Aachen, Germany
5. Department of Trauma Surgery, University of Magdeburg, Magdeburg, Germany
6. Department of Neurosurgery, University Hospital Giessen and Marburg, Giessen, Germany
7. Department of Anesthesiology and Critical Care, Diakonie-Klinikum Schwäbisch Hall, Germany
8. Department of Trauma, University of Zurich, Zurich, Switzerland