1. Department of Pediatrics; Allergy Unit; University of Messina; Messina Italy
2. Allergy Department; IdISSC, Hospital Clínico San Carlos; Madrid Spain
3. Pediatric Pneumology and Immunology; Charité Universitätsmedizin; Berlin Germany
4. The David Hide Asthma and Allergy Research Centre; St Mary's Hospital; Newport UK
5. NIHR Southampton Biomedical Research Centre; University Hospital Southampton NHS Foundation Trust; Southampton UK
6. Faculty of Medicine; University of Southampton; Southampton UK
7. Swiss Institute for Allergy and Asthma Research; University of Zurich; Davos Switzerland
8. Paediatric Allergy and Clinical Immunology Section; Hospital Sant Joan de Déu; Universitat de Barcelona; Barcelona Spain
9. Icahn School of Medicine at Mount Sinai; New York NY USA
10. Department of Dermatology and Allergy Center; Odense Research Center for anaphylaxis; Odense Denmark
11. Department of Pediatrics; School of Medicine; University of North Carolina at Chapel Hill; Chapel Hill NC USA
12. Department of Allergy; Clinical Research Center for Allergy & Rheumatology; Sagamihara National Hospital; Sagamihara Japan
13. Medical School of the University of Geneva; University Hospitals of Geneva; Geneva Switzerland
14. Department of Immunology and Department of Dermatology & Allergology; University Medical Center Utrecht; Utrecht The Netherlands
15. Division of Immunology, Allergy and Rheumatology; Department of Pediatrics; Stanford University; Stanford CA USA
16. Allergy Clinic; Copenhagen University Hospital; Gentofte Denmark
17. Departments of Experimental Immunology and of Otorhinolaryngology; Academic Medical Center; Amsterdam The Netherlands
18. Division of Asthma Allergy and Lung Biology; Department of Paediatric Allergy; King's College London; London UK
19. Guy's & St Thomas’ Hospital; London UK
20. MRC & Asthma UK Centre in Allergic Mechanisms of Asthma; London UK
21. Evidence-Based Health Care Ltd; Edinburgh UK
22. Division of Population Medicine Neuadd Meirionnydd; School of Medicine; Cardiff University; Cardiff UK
23. EAACI Patient Organization Committee; Region de Mans France
24. Skin and Allergy Hospital; Helsinki University Hospital; Helsinki Finland
25. 2nd Pediatric Clinic, Allergy; University of Athens; Athens Greece
26. Koç University Hospital; Istanbul Turkey
27. Department of Allergy and Clinical Immunology; Faculty of Medicine; Transylvania University Brasov; Brasov Romania
28. Sheffield Teaching Hospital; Sheffield UK
29. Hans Christian Andersen Children's Hospital; Odense University Hospital; Odense Denmark
30. Wroclaw Medical University; Wroclaw Poland
31. ALL-MED Medical Research Institute; Wroclaw Poland
32. Department of Otorhinolaryngology, Head and Neck Surgery; Universitätsmedizin Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
33. Center for Rhinology and Allergology; Wiesbaden Germany
34. Allergy and Respiratory Research Group; Usher Institute of Population Health Sciences and Informatics; Medical School; University of Edinburgh; Edinburgh UK
35. Department of Dermatology and Venerology; Medical University of Graz; Graz Austria
36. Outpatient Allergy Clinic Reumannplatz; Vienna Austria
37. Department of Paediatric and Adolescent Medicine, Respiratory and Allergic Disease Division; Medical University of Graz; Graz Austria
38. Section of Allergology; Department of Internal Medicine; Erasmus Medical Center; Rotterdam The Netherlands
39. Department of Women and Child Health; Food Allergy Referral Centre Veneto Region; Padua General University Hospital; Padua Italy