1. Department of Dermatology and Venereology Ryhov County Hospital Jönköping Sweden
2. Department of Medicine, Unit of Dermatology Karolinska Institutet Stockholm Sweden
3. Department of Dermatology, Skin Cancer Center Karolinska University Hospital Stockholm Sweden
4. Department of Oncology and Pathology Karolinska Institutet Stockholm Sweden
5. Department of Oncology, Skin Cancer Center Karolinska University Hospital Stockholm Sweden