1. Skin and Allergy Hospital Helsinki University Central Hospital Helsinki Finland
2. Department of Dermatology Turku University Hospital Turku Finland
3. Department of Dermatology Tampere University Hospital Tampere Finland
4. Department of Dermatology Kymenlaakso Central Hospital Kotka Finland
5. Department of Dermatology Satakunta Central Hospital Pori Finland
6. Department of Dermatology Kuopio University Hospital Kuopio Finland
7. Department of Dermatology Oulu University Hospital Oulu Finland
8. Radiation and Nuclear Safety Authority Helsinki Finland
9. Unit of Primary Health Care Helsinki University Central Hospital Helsinki Finland
10. Unit of Primary Health Care Kuopio University Hospital Kuopio Finland
11. Medical School University of Tampere Tampere Finland
12. Department of Dermatology Päijät‐Häme Central Hospital Lahti Finland