1. Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark;
2. Department of Dermatology, Aarhus University, Hospital, Skejby, Aarhus, Denmark;
3. Department of Dermatology, Copenhagen University Hospital, Bispebjerg, Copenhagen, Denmark;
4. Division of Dermatology, McGill University, Montreal, QC, Canada;
5. Clinical Research Center, Lund University, Malmö, Sweden; and
6. Department of Molecular Biology, Umeå University, Umeå, Sweden.