1. Department of International Health, Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
2. Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
3. Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada
4. General Dermatology, Medical University of Graz, Austria
5. Department of Oral Medicine and Pathology, School of Dentistry, University of Copenhagen, Copenhagen, Denmark
6. Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, USA
7. Department of Dermatology and Skin Science, University of British Columbia, Vancouver, BC, Canada