1. Department of Medical Biochemistry and Microbiology (IMBIM) , Uppsala University, Uppsala , Sweden
2. Dermatology and Venereology, Department of Medical Sciences, Uppsala University , Uppsala , Sweden
3. Department of Oncology and Pathology, Karolinska Institutet , Stockholm , Sweden
4. Dermatology and Venereology Division, Department of Medicine Solna, Karolinska Institutet , Stockholm , Sweden