1. Friedrich Loeffler-Institute of Medical Microbiology, University Medicine Greifswald, Greifswald, Germany
2. Institute of Medical Microbiology, University Hospital Münster, Münster, Germany
3. Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Interdisciplinary Center for Clinical Research (IZKF), University of Münster, Münster, Germany