1. Department of Clinical Science and Education; Södersjukhuset; Karolinska Institutet; Stockholm Sweden
2. Sachs’ Children and Youth Hospital; Södersjukhuset; Stockholm Sweden
3. Dermatology and Venereology Unit; Department of Medicine Solna; Karolinska Institutet; Stockholm Sweden
4. Department of Dermatology; Karolinska University Hospital; Stockholm Sweden
5. Institute of Environmental Medicine; Karolinska Institutet; Stockholm Sweden
6. Centre of Occupational and Environmental Medicine; Stockholm County Council; Stockholm Sweden
7. Dermatological and Venereal Clinic; Södersjukhuset; Stockholm Sweden
8. Centre for Pharmacoepidemiology; Department of Medicine; Karolinska Institutet; Stockholm Sweden