1. Faculty of Social Sciences, Business, and Economics Åbo Akademi University Turku Finland
2. Institute of Biomedicine University of Turku Turku Finland
3. Jyväskylä University School of Business and Economics Jyväskylä Finland
4. Labour Institute for Economic Research Helsinki Finland
5. IZA Institute of Labor Economics Bonn Germany
6. Department of Dermatology and Venereology University of Turku Turku Finland
7. Department of Dermatology Turku University Hospital Turku Finland
8. Department of Dermatology and Venereology, Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
9. Department of Dermatology and Venereology, Region Västra Götaland Sahlgrenska University Hospital Gothenburg Sweden