1. Trauma Department, Hannover Medical School, Carl-Neuberg-Str.
1, 30625 Hannover, Germany.
2. Department of Traumatology and Orthopedic
Surgery, Cologne-Merheim Medical Center, Ostmerheimer
Str. 200, 51109 Köln, Germany.
3. University of Texas Health Science Center
at San Antonio, 7703 Floyd Curl Dr., MC 7774, San
Antonio, TX, 78229, USA.
4. Trauma Department, Hannover Medical School, Carl-Neuberg-Str.
1, 30625 Hannover, Germany
and Ludwig-Maximilians-Universität München, Marchioninistr.
15, 81377 Munich, Germany.