1. Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
2. Azrieli Faculty of Medicine, Bar-Ilan University , Safed , Israel
3. Unit of Dermatology and Skin Research Laboratory, Barch Padeh Medical Center , Poriya , Israel
4. Division of Dermatology, Rush University Medical Center , Chicago, IL , USA
5. Department of Dermatology, University of Lübeck , Lübeck , Germany