1. University Hospital of Halle, Department of Dermatology and Venereology; Halle (Saale) Germany
2. Department of Translational Dermatoinfectiology; University of Muenster; Muenster Germany
3. Robert Koch-Institute; Berlin Germany
4. Skin Cancer Center; Department of Dermatology; Ludwigshafen Medical Center; Ludwigshafen Germany
5. Department of Dermatology; Venerology; and Allergology; HELIOS St Elisabeth Hospital Oberhausen; University Witten/Herdecke; Oberhausen; Witten; Germany
6. LADR GmbH MVZ Dr. Kramer and Kollegen; Geesthacht Germany
7. Department of Dermatology; Venereology and Allergology; University Hospital Würzburg; Würzburg Germany
8. Institute of Microbiology and Hygiene; Charité - University Medicine; Berlin Germany