1. Department of Dermatology and Allergy Center Odense Research Center for Anaphylaxis (ORCA) Odense University Hospital Odense Denmark
2. Children's Allergy Service Evelina London Children's Hospital Guy's and St Thomas' NHS Foundation Trust Paediatric Allergy Group School of Life Course Sciences & School of Immunology and Microbial Sciences King's College London London UK
3. Department of Pediatric Pulmonology, Immunology and Intensive Care Medicine Charite Universitatsmedizin Berlin Berlin Germany
4. Department of Dermatology and Allergy Biederstein School of Medicine Technical University Munich Munich Germany
5. Department of Clinical and Experimental Medicine Section of Pediatrics University of Pisa Pisa Italy
6. Department of Clinical Immunology and Allergology I.M. Sechenov First Moscow State Medical University Moscow Russia
7. Translational Medicine Program Research Institute Hospital for Sick Children Toronto ON Canada
8. Division of Immunology and Allergy Food Allergy and Anaphylaxis Program The Department of Pediatrics Hospital for Sick Children Toronto ON Canada
9. Department of Immunology Faculty of Medicine University of Toronto Toronto ON Canada
10. Asthma UK Centre in Allergic Mechanisms of Asthma London UK
11. Allergy and Immunology Deprtment of Dermatology, Venerology and Allergy Charité‐Universitätsmedizin Berlin Berlin Germany
12. Allergy Unit Department of Dermatology University Hospital Zürich Zürich Switzerland
13. Allergy Unit Clinic for Dermatology and Allergology Kantonsspital St. Gallen St. Gallen Switzerland