1. Department of Dermatology and Venereology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden
2. Center for Clinical Research Dalarna, Uppsala University, 791 82 Falun, Sweden
3. Dermatology and Venereology Unit, Karolinska University Hospital, 171 76 Stockholm, Sweden
4. Department of Dermatology and Venereology, Sahlgrenska University Hospital, Region Västra Götaland, 413 45 Gothenburg, Sweden
5. Division of Dermatology and Venereology, Department of Medicine Solna, Karolinska Institutet, 171 76 Stockholm, Sweden