1. University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute for Medical Microbiology, Immunology and Hygiene, Goldenfelsstr. 19-21, 50935 Cologne, Germany
2. German Center for Infection Research (DZIF), partner site Bonn-Cologne, Cologne, Germany
3. Coris BioConcept, Science Park CREALYS, Rue Jean Sonet 4A, B-5032 Gembloux, Belgium