1. Department of Dermatology Faculty of Health Sciences University Hospital of North Norway Tromsø Norway
2. Department of Clinical Medicine Arctic University Tromsø Norway
3. Analysis Group, Inc. 111 Huntington Ave, Floor 14 Boston MA 02199 U.S.A.
4. AbbVie, Inc. 1 N. Waukegan Road North Chicago IL 60064 U.S.A.