1. Department for Molecular und Medical Medicine, Ruhr University Bochum, Germany
2. Institute of Clinical Hygiene, Medical Microbiology and Infectiology, General Hospital Nürnberg, Paracelsus Medical University, Nuremberg, Germany
3. Institut für Laboratoriums- und Transfusionsmedizin, Herz- und Diabeteszentrum Nordrhein-Westfalen, Universitätsklinik der Ruhr-Universität Bochum, Bad Oeynhausen, Germany
4. Institute of Medical Microbiology, University Hospital of Essen, Essen, Germany