1. The David Hide Asthma and Allergy Research Centre; St Mary's Hospital; Newport, Isle of Wight UK
2. NIHR Biomedical Research Centre; University Hospital Southampton NHS Foundation Trust; Southampton UK
3. Clinical and Experimental Sciences and Human Development in Health Academic Units; Faculty of Medicine; University of Southampton; Southampton UK
4. Department of Otorhinolaryngology, Head and Neck Surgery; Universitätsmedizin Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
5. Center for Rhinology and Allergology; Wiesbaden Germany
6. Swiss Institute of Allergy and Asthma Research (SIAF); University Zurich; Davos Switzerland
7. Christine Kühne Center for Allergy Research and Education; Davos Switzerland
8. Department of Allergy and Immunology; Hospital Quironsalud Bizkaia; Erandio, Bilbao Spain
9. Allergy and Clinical Immunology; National Heart and Lung Institute; Imperial College London; London UK
10. Section of Allergology; Department of Internal Medicine; Erasmus Medical Center; Rotterdam The Netherlands
11. Hans Christian Andersen Children's Hospital; Odense University Hospital; Odense Denmark
12. Center of Excellence in Asthma and Allergy; Hospital Médica Sur; Mexico City Mexico
13. Department of Pediatrics; Nippon Medical School; Tokyo Japan
14. Medical School; University of Cyprus; Nicosia Cyprus
15. Asthma UK Centre for Applied Research; Usher Institute of Population Health Sciences and Informatics; The University of Edinburgh; Edinburgh UK
16. Department of Dermatology and Allergy; Charité Campus Mitte; Universitätsmedizin Berlin; Berlin Germany
17. Department of Pediatrics; Allergy Unit; University of Messina; Messina Italy
18. Molecular Allergo'logy and Immunomodulation - Department of Pediatric Pneumology and Immunology; Charite Medical University; Berlin Germany
19. Department of Otorhinolaryngology; Medical Faculty; Eskisehir Osmangazi University; Eskisehir Turkey
20. Evidence Based Health Care Ltd; Edinburgh UK
21. CHU Clermont-Ferrand University Hospital (CHU Estaing); Unité d'allergologie de l'enfant; Clermont-Ferrand France
22. Children's Hospital Bethel; EvKB; Bielefeld University; Bielefeld Germany
23. Department of Otorhinolaryngology; University Hospitals Leuven; Leuven Belgium
24. Department of Otorhinolaryngology; Academic Medical Center Amsterdam; Amsterdam The Netherlands
25. Allergy Learning and Consulting; Copenhagen Denmark
26. Departments of Immunology and Dermatology/Allergology; University Medical Center Utrecht; Utrecht The Netherlands
27. Johns Hopkins Department of Otolaryngology - Head and Neck Surgery; Baltimore MD USA
28. Allergy and Clinical Immunology Unit; 2nd Department of Pediatrics; NKUA Athens University; Athens Greece
29. Clinical Research International Ltd; Hamburg Germany
30. Department of Allergology; University of Groningen; University Medical Center Groningen; Groningen The Netherlands
31. GRIAC Research Institute; University of Groningen; University Medical Center Groningen; Groningen The Netherlands
32. Department of Allergy and Immunology; Asst Grande Ospedale Metropolitano Niguarda; University of Milano; Milano Italy
33. Department of Allergy and Medical Rhinology; The Royal National Throat Nose and Ear Hospital; University College Hospital; London UK
34. Center of Allergy and Environment (ZAUM) & Institute of Allergy Research; Helmholtz Center Munich; Munich Germany
35. European Anaphylaxis Taskforce - Nederlands Anafylaxis Netwerk; Dordrecht The Netherlands
36. Division of Asthma, Allergy and Lung Biology; Department of Paediatric Allergy; Children's Allergy Service; King's College London; Guy's and St. Thomas’ National Health Service Foundation Trust; London UK
37. Department of Paediatric and Adolescent Medicine, Respiratory and Allergic Disease Division; Medical University of Graz; Graz Austria
38. Pharmaceutical Group of the European Union; Brussels Belgium
39. Allergy Department; Guys and St Thomas’ NHS Foundation Trust; London UK
40. Department of Otolaryngology Head and Neck Surgery; Beijing TongRen Hospital; Capital Medical University; Beijing China
41. Faculty of Medicine; Department of Allergy and Clinical Immunology; Transylvania University Brasov; Brasov Romania
42. Department of Clinical Immunology and Allergy; Northern General Hospital; Sheffield UK
43. Allergy Department; Hospital Clinico San Carlos, IdISSC; Madrid Spain
44. ALL-MED Medical Research Institute; Wroclaw Poland
45. Wroclaw Medical University; Wroclaw Poland
46. Department of Pediatric Pneumology and Immunology; Charité Universitätsmedizin; Berlin Germany
47. Departments of Experimental Immunology and of Otorhinolaryngology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
48. Usher Institute of Population Health Sciences and Informatics; University of Edinburgh Medical School; Edinburgh UK
49. Department of Dermatology and Venerology; Medical University of Graz; Graz Austria
50. Outpatient Allergy Clinic Reumannplatz; Vienna Austria
51. Department of Women and Child Health; Referral Centre for Food Allergy Diagnosis and Treatment Veneto Region; University of Padua; Padua Italy