1. Department of Clinical Chemistry, University Medical Centre Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Mannheim, Germany
2. Reference-Institute for Bioanalytics, German Society for Clinical Chemistry and Laboratory Medicine (DGKL), Bonn, Germany
3. Bundeswehr Institute of Microbiology, Munich, Germany
4. German Center for Infection Research (DZIF), Partner Site Munich, Germany