1. Department of Dermatology and Allergy Centre, Odense University Hospital; University of Southern Denmark; 5000 Odense C Denmark
2. Dermatological Investigations Scandinavia; J.B. Winsløwsvej 9 5000 Odense C Denmark
3. Department of Clinical Pharmacology; LEO Pharma A/S; 2750 Ballerup Denmark
4. Department of Dermato-Allergology, Herlev and Gentofte Hospital; University of Copenhagen; 2900 Hellerup Denmark
5. Division of Infection, Inflammation & Immunity, Sir Henry Wellcome Laboratories; Southampton University Hospitals NHS Trust; Southampton SO16 6YD UK
6. Centre for Innovative Medical Technology, Institute of Clinical Research; University of Southern Denmark; 5000 Odense C Denmark