1. Department of Dermatology, Bispebjerg Hospital, Copenhagen, Denmark
2. Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
3. Harvard Medical School and Beth Israel Deaconess Hospital, Boston, MA, USA
4. Eli Lilly and Company, Indianapolis, IN, USA
5. Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC, USA