1 Institute for Medical Microbiology and Epidemiology of Infectious Diseases, Leipzig University Hospital, Leipzig, Germany; Hospital Hygiene Staff Unit, Leipzig University Hospital, Leipzig, Germany.
2 Division of Infectious Diseases and Tropical Medicine, Department of Gastroenterology and Rheumatology, Leipzig University Hospital, Liebigstr 20, D-04103 Leipzig, Germany. Electronic address: christoph.luebbert@medizin.uni-leipzig.de.
3 Institute for Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Leipzig University Hospital, Leipzig, Germany.
4 Department of Anaesthesiology and Intensive Care Medicine, Leipzig University Hospital, Leipzig, Germany.