1. Urticaria Center of Reference and Excellence (UCARE), Department of Dermato‐Venereology & Wound Healing Centre Bispebjerg Hospital Copenhagen Denmark
2. RefLab ApS Copenhagen Denmark
3. LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology University of Copenhagen Copenhagen Denmark
4. Urticaria Center of Reference and Excellence (UCARE), Department of Dermatology and Venerology Aarhus University Hospital Aarhus Denmark
5. Urticaria Center of Reference and Excellence (UCARE), Institute of Allergology Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
6. Fraunhofer Institute for Translational Medicine and Pharmacology ITMP Allergology and Immunology Berlin Germany
7. Department of Biomedical Sciences University of Copenhagen Copenhagen Denmark