1. Department of Pathology, Medical University of Vienna, Vienna, Austria
2. Histopathologic Practice Winzendorf, Winzendorf, Austria
3. Pathologic-Bacteriologic Institute, Wilhelminenspital, Vienna, Austria
4. Center for Public Health, Medical University of Vienna, Vienna, Austria
5. Division for Clinical Microbiology, Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria