1. Department of Dermatology, Medical University of Vienna, Vienna, Austria
2. Department of Dermatology and Venereology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
3. Institute for Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, Vienna, Austria
4. Paracelsus Medical University of Salzburg, Salzburg, Austria
5. Department of Hygiene and Medical Microbiology, Division of Clinical Microbiology, Medical University of Vienna, Vienna, Austria