1. Faculty of Health and Medical Sciences, Department of Immunology and Microbiology; University of Copenhagen; 2200 Copenhagen Denmark
2. Laboratory of Dermatochemistry, Institute of Chemistry-CNRS UMR 7177; University of Strasbourg; 67081 Strasbourg France
3. Department of Medical Informatics, Biometry and Epidemiology; University of Erlangen/Nürnberg; 91054 Erlangen Germany
4. Department of Dermatology-Allergy, National Allergy Research Centre; Copenhagen University Hospital Gentofte; 2900 Hellerup Denmark