1. Department of Dermatology, University of Lübeck, Lübeck, Germany
2. Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
3. Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
4. Department of Dermatology, Carl Gustav Carus University Hospital, Technische Universität Dresden, Dresden, Germany