1. Department of Otorhinolaryngology, Head and Neck Surgery Section of Rhinology and Allergy University Hospital Marburg Philipps‐Universität Marburg Marburg Germany
2. Transylvania University Brasov Romania
3. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin Berlin Germany
4. Berlin Institute of Health Allergy‐Centre‐Charité Berlin Germany
5. Department of Dermatology and Allergy Centre Odense University Hospital Odense Research Center for Anaphylaxis (ORCA) Odense Denmark
6. MACVIA‐France Montpellier France
7. University Hospital Montpellier Montpellier France
8. Division of Allergy & Clinical Immunology Johns Hopkins University School of Medicine Baltimore MD USA
9. Creticos Research Group Crownsville MD USA
10. Department of Airway Diseases, Exhalomics, Hôpital Foch Université Paris‐Saclay Suresnes France
11. Allergy and Clinical Immunology National Heart and Lung Institute Imperial College London London UK
12. Department of Otorhinolaryngology University Hospitals of Leuven Leuven Belgium
13. Department of Otorhinolaryngology Academic Medical Center University of Amsterdam Amsterdam The Netherlands
14. Department of Neuroscience University of Ghent Ghent Belgium
15. Paul‐Ehrlich‐Institut Federal Institute for Vaccines and Biomedicines Langen Germany
16. Allergy & Asthma Center Westend Outpatient Clinic and Clinical Research Center Berlin Germany
17. Center for Rhinology and Allergology Wiesbaden Germany
18. ALC, Allergy Learning and Consulting Copenhagen Denmark
19. Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
20. All‐Med Medical Research Institute Wroclaw Poland
21. Food Allergy Referral Centre Padua University Hospital Padua Padua Italy
22. Division of Infection Immunity & Respiratory Medicine University of Manchester Manchester UK
23. Allergy Department 2nd Pediatric Clinic University of Athens Athens Greece
24. Department of Clinical Psychology and Psychotherapy Philipps‐University of Marburg Marburg Germany
25. RNTNE Hospital University College London Hospitals London UK
26. Institute of Medical Psychology and Behavioral Immunobiology University Clinic Essen Essen Germany
27. National Heart and Lung Institute Imperial College London London UK
28. NIHR Biomedical Research Centre Imperial College London London UK
29. Department of Dermatology and Venereology Medical University of Graz Graz Austria
30. Allergy Outpatient Clinic Reumannplatz Vienna Austria
31. Departments of Experimental Immunology and of Otorhinolaryngology Amsterdam University Medical Centers Amsterdam The Netherlands
32. Department of Allergy and Faculty of Medicine University of Santiago de Compostela Santiago Spain
33. Department of Dermatology and Allergy Hannover Medical School Comprehensive Allergy Center Hannover Germany
34. Section of Allergology Department of Internal Medicine Erasmus MC Rotterdam the Netherlands
35. Department of Respiratory Medicine Royal Sussex County Hospital University of Sussex and University of Brighton Brighton UK