1 Department of Dermatology, Venereology and Allergology, Medical Center of the University of Heidelberg (UKH), Ruprecht-Karls-University, Heidelberg, Germany.
2 Department of Dermatology, Venereology and Allergology, Medical Center of the University of Heidelberg (UKH), Ruprecht-Karls-University, Heidelberg, Germany. [email protected].