1. Department of Anaesthesiology and Critical Care Medicine, Trauma Surgery and Plastic Surgery, Universitätsklinikum Leipzig, Leipzig, Germany.
2. Institute for Medical Microbiology and Epidemiology of Infectious Diseases, Trauma Surgery and Plastic Surgery, Universitätsklinikum Leipzig, Leipzig, Germany.
3. Department of Orthopedics, Trauma Surgery and Plastic Surgery, Universitätsklinikum Leipzig, Leipzig, Germany.
4. Roland-Klinik, Bremen, Germany.