1. Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Labor Doktor Fenner und Kollegen, Hamburg, Germany
3. Institute for Medical Microbiology, Immunology and Hygiene, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
4. German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, Cologne, Germany
5. Department for Trauma Surgery and Orthopedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany