1. Department of Dermatology; Bispebjerg Hospital & Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
2. Departement of Dermatology; Stavanger University Hospital; Stavanger Norway
3. Divison of dermatology; Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
4. Novartis Norge AS; Oslo Norway
5. Novartis Pharmaceutical A/S; Copenhagen Denmark
6. Novartis Sweden AB; Stockholm Sweden
7. Department of Dermatology; Aarhus University Hospital; Aarhus Denmark