1 Institute for Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany.
2 Institute for Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany; German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, Bonn, Germany.
3 Department of Microbial Drugs, Helmholtz Centre for Infection Research, Braunschweig, Germany; German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany.
4 Institute for Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany; German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, Bonn, Germany. Electronic address: [email protected].