1. Department of Dermatology and Allergy Herlev and Gentofte Hospital University of Copenhagen Hellerup Denmark
2. Copenhagen Research Group for Inflammatory Skin Herlev and Gentofte Hospital Hellerup Denmark
3. Department of Dermatology Bispebjerg Hospital Copenhagen Denmark
4. Department of Dermatology Aarhus University Hospital Aarhus Denmark
5. Department of Dermatology Zealand University Hospital Roskilde Denmark
6. Dermatology Clinic Nykoebing Falster Denmark
7. Department of Dermatology Odense University Hospital Odense Denmark