1. Department of Trauma, Hand, and Reconstructive Surgery, University Hospital Muenster, Westfalian-Wilhelm's-University Muenster, Waldeyerstraße 1, 48149 Muenster, Germany
2. Institute of Medical Microbiology, University Hospital Muenster, Westfalian-Wilhelm's-University Muenster, Domagkstraße 10, 48149 Muenster, Germany
3. Institute of Medical Physics and Biophysics, University Hospital Muenster, Westfalian-Wilhelm's-University Muenster, Robert-Koch-Straße 31, 48149 Muenster, Germany