1. Department of Occupational and Environmental Dermatology; Skåne University Hospital; 205 02 Malmö Sweden
2. Department of Medical Sciences, Dermatology and Venereology; Uppsala University; 751 85 Uppsala Sweden
3. Department of Cosmetics; Medical Products Agency; 751 03 Uppsala Sweden
4. Department of Dermatology; Blekinge Hospital; 371 85 Karlskrona Sweden
5. Unit of Occupational and Environmental Dermatology; Centre for Occupational and Environmental Medicine, SLSO; 11365 Stockholm Sweden
6. Hudläkarmottagningen Telegrafen; 503 30 Borås Sweden