Affiliation: | 1. Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark;2. Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark;3. Department of Dermatology, Bispebjerg Hospital, Copenhagen, Denmark;4. Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark;5. Skin Clinic, Nyk?bing Falster, Denmark;6. Department of Dermatology, Roskilde Hospital, Roskilde, Denmark |