1 Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark.
2 Copenhagen Research Group for Inflammatory Skin (CORGIS), Herlev and Gentofte Hospital, Hellerup, Denmark.
3 Departments of Dermatology, Preventive Medicine, and Medical Social Sciences, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
4 National Allergy Research Centre, Herlev and Gentofte Hospital, Hellerup, Denmark.