1. Department of Dermatology and Allergy Herlev and Gentofte Hospital University of Copenhagen Copenhagen Denmark
2. Copenhagen Research Group for Inflammatory Skin (CORGIS) Hellerup Denmark
3. Department of Dermatology Aarhus University Hospital Aarhus Denmark
4. Department of Dermatology Zealand University Hospital Roskilde Denmark
5. Department of Dermatology and Allergy Centre Odense Research Centre for Anaphylaxis (ORCA) Odense University Hospital Odense Denmark
6. Department of Dermatology Frederiksberg and Bispebjerg Hospital Copenhagen Denmark