1 Department of Dermatology, Venereology and Allergology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
2 Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Heidelberg University, Heidelberg, Germany.
3 Department of Dermatology, Venereology and Allergology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Charité-Universitätsmedizin Berlin, Skin Cancer Centre, Berlin, Germany. gabor.dobos@charite.de.