1. Department of Medical Microbiology and Hospital Epidemiology, Medical School Hannover, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
2. Microbiology/Biotechnology, Microbiological Institute, Faculty of Biology, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany
3. Molecular Infection Biology, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, 23845 Borstel, Germany
4. Department of Cell Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124 Braunschweig, Germany