1. Department of Anesthesiology and Intensive Care Medicine, University Hospital Marburg, Baldingerstrasse, 35043 Marburg, Germany
2. Institute of Medical Microbiology and Hygiene, Philipps University Marburg, Hans-Meerwein-Strasse 2, 35043 Marburg, Germany
3. Department of Trauma, Hand and Reconstructive Surgery, University Hospital Marburg, Baldingerstrasse, 35043 Marburg, Germany