1. Department of Dermatology and Allergology Joint Authority for Päijät‐Häme Health and Wellbeing Lahti Finland
2. Department of Dermatology Tampere University and Tampere University Hospital Tampere Finland
3. Departments of Pathology and Dermatology Institutes of Biomedicine and Clinical Sciences Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Faculty of Mathematical Information Technology University of Jyväskylä Jyväskylä Finland
5. Department of Dermatology and Allergology Helsinki University Central Hospital Helsinki Finland