1. Department of Dermatology and Allergy Herlev and Gentofte Hospital University of Copenhagen Hellerup Denmark
2. Copenhagen Research Group for Inflammatory Skin (CORGIS) Hellerup Denmark
3. Department of Dermatology The George Washington University School of Medicine and Health Sciences Washington DC USA
4. Department of Dermatology, and the Laboratory for Inflammatory Skin Diseases Icahn School of Medicine at Mount Sinai New York NY USA