1. Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
2. RefLab ApS Copenhagen Denmark
3. LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology University of Copenhagen Copenhagen Denmark
4. Immunoallergology Department, Hospital Santa Maria Centro Hospitalar Universitário Lisboa Norte E.P.E Lisbon Portugal
5. Odense Research Center for Anaphylaxis (ORCA), Urticaria Center of Reference and Excellence (UCARE) Odense University Hospital Odense Denmark
6. Laboratory of Clinical Immunology Faculdade de Medicina, Instituto de Medicina Molecular Universidade de Lisboa Lisbon Portugal