1. Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
2. Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Germany
3. Siegfried Weller Research Institute, Department of Trauma and Reconstructive Surgery, Eberhard Karls University of Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany