1. Karl Landsteiner Institute of Dermatological Research; St. Pölten Austria
2. Department of Dermatology and Venereology; Karl Landsteiner University of Health Sciences; St. Pölten Austria
3. Department of Pathology; Karl Landsteiner University of Health Sciences; St. Pölten Austria
4. Department of Surgery; Karl Landsteiner University of Health Sciences; St. Pölten Austria