作者单位:Contact Dermatitis InstitutePhoenix,Arizona[1]Department of Dermatology and AllergyHerlev and Gentofte Hospital, University of CopenhagenHellerup[2]Section of DermatologyDartmouth‐Hitchcock Medical CenterLebanon,New Hampshire[3]Copenhagen Research Group for Inflammatory Skin (CORGIS)Hellerup,Denmark[4]