1. Department of Occupational and Environmental DermatologySkåne University Hospital, Lund University Malmö Sweden
2. Department of DermatologySahlgrenska Academy at the University of Gothenburg Gothenburg Sweden
3. Dermatochemistry, Department of Chemistry and Molecular BiologyUniversity of Gothenburg Gothenburg Sweden
4. Department of Dermatology, Skaraborgs Hospital Skövde Sweden
5. Institute of Environmental Medicine, Karolinska Institutet and Centre for Occupational and Environmental Medicine Stockholm Sweden
6. Department of DermatologyRegion Västra Götaland, NU Hospital Group Uddevalla Sweden
7. Department of Public Health and Clinical Medicine, Dermatology and VenereologyUmeå University Umeå Sweden