1. From the Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.
2. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
3. Department of Dermatology, University of Zürich, Zürich, Switzerland.
4. Dermatology Research and Education Foundation, Irvine, California, USA.
5. Pfizer Denmark, Ballerup, Denmark.
6. Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.