1 Dermato-Venereology Clinic, Karolinska University Hospital, Stockholm, Sweden; Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden; Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden; Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany.
2 Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles, USA.
4 Unit of Dermatology and Skin Research Laboratory, Galilee Medical Center, Nahariya, Israel.
5 Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany; Department of Dermatology, University Hospital Schleswig-Holstein Lübeck, Lübeck, Germany.
6 Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, USA. Electronic address: mkasperkiewicz@mednet.ucla.edu.