1. MediCity Research Laboratory, University of Turku, Turku, Finland;
2. Department of Oncology, University of Turku, Turku, Finland;
3. Department of Dermatology, Innsbruck Medical University, Innsbruck, Austria;
4. National Institute of Health and Welfare, Turku, Finland;
5. Department of Medical Biochemistry and Genetics, University of Turku, Turku, Finland; and
6. Department of Medical Microbiology and Immunology, University of Turku, Turku, Finland