1. Department of Dermatology and Venerology; Medical University of Graz; Graz Austria
2. Outpatient Allergy Clinic Reumannplatz; Vienna Austria
3. Department of Paediatric and Adolescent Medicine; Respiratory and Allergic Disease Division; Medical University of Graz; Graz Austria
4. The David Hide Asthma and Allergy Research Centre; St Mary's Hospital, Newport, Isle of Wight; NIHR Biomedical Research Centre; University Hospital Southampton NHS Foundation Trust; Southampton UK
5. Clinical and Experimental Sciences and Human Development in Health Academic Units; Faculty of Medicine; University of Southampton; Southampton UK
6. Allergy Clinic; Copenhagen University Hospital Gentofte; Gentofte Denmark
7. Allergy Unit; Department of Internal Medicine; University Hospital of Ancona; Ancona Italy
8. Swiss Institute of Allergy and Asthma Research (SIAF); University of Zurich; Zurich Switzerland
9. Servicio de Enfermedades del Sistema Inmune-Alergia; Departamento de Medicina y Especialidades Médicas; Hospital Universitario Príncipe de Asturias; Universidad de Alcalá; Madrid Spain
10. Department of Pediatrics; Jagiellonian University Medical College; Krakow Poland
11. Department of Internal Medicine, Allergy and Clinical Immunology; Medical University of Silesia; Katowice Poland
12. Department of Dermatology and Allergology; University Medical Center Gießen and Marburg (UKGM); Justus Liebig University Gießen; Gießen Germany
13. Allergy Research Group; Department of Dermatology; Medical Center - University of Freiburg; Freiburg Germany
14. Medical Faculty Ljubljana; University Clinic of Respiratory and Allergic Diseases Golnik; Ljubljana Slovenia
15. Department of Pediatric Pneumonology and Allergy; Medical University of Warsaw; Warsaw Poland
16. Department of Allergology & Clinical Immunology; Mother Theresa School of Medicine; Tirana Albania
17. Faculty of Technical-Medical Sciences; Department of Paraclinical Disciplines; Medicine University of Tirana; Tirana Albania
18. Department of Allergy and Clinical Immunology; 2nd Paediatric Clinic; University of Athens; Athens Greece
19. Department of Infection and Immunity; Luxembourg Institute of Health (LIH); Strassen Luxembourg
20. Department of Dermatology and Allergy Center; Odense Research Center for Anaphylaxis; University of Southern Denmark; Odense Denmark
21. Department of Allergology and Internal Medicine; University of Groningen; University Medical Hospital Groningen & Groningen Research Center for Asthma and COPD (GRIAC); Groningen The Netherlands
22. Department of Otorhinolaryngology, Head and Neck Surgery; Medical Faculty Mannheim; Universitätsmedizin Mannheim; Heidelberg University; Heidelberg Germany
23. Center for Rhinology Allergology; Wiesbaden Germany
24. Medical School; University of Cyprus; Nicosia Cyprus
25. UOC Clinical Allergy and Immunology - IRCCS Foundation Ca’ Granda Ospedale Maggiore Policlinico; Milan Italy
26. Klinik und Poliklinik für Dermatologie und Allergologie; Klinikum der Universität München; Munich Germany
27. Department of Pulmonary Diseases; Division of Immunology and Allergy; Faculty of Medicine; Ankara University; Ankara Turkey
28. Faculty of Medicine; Department of Allergy and Clinical Immunology; Transylvania University Brasov; Brasov Romania
29. Department of Immunology and Allergy; Northern General Hospital; Sheffield UK
30. Department of Pediatrics; Allergy Unit; University of Messina; Messina Italy
31. Molecular Allergology and Immunomodulation-Department of Pediatric Pneumology and Immunology; Charité Universitätsmedizin Berlin; Berlin Germany
32. Section of Allergy and Clinical Immunology; Imperial College London; National Heart and Lung Institute; Royal Brompton Hospital; London UK
33. Allergy Department; Hospital Clínico San Carlos; IdISSC; Madrid Spain
34. Hans Christian Andersen Children's Hospital; Odense University Hospital; Odense Denmark
35. Wroclaw Medical University; Wroclaw Poland
36. ALL-MED Medical Research Institute; Wroclaw Poland
37. Department of Pediatric Pneumology and Immunology; Charité Universitätsmedizin; Berlin Germany
38. Departments of Experimental Immunology and of Otorhinolaryngology; Academic Medical Center; University of Amsterdam; Amsterdam; The Netherlands
39. Usher Institute of Population Health Sciences and Informatics; University of Edinburgh; Edinburgh UK
40. Austrian Lung Union; Vienna Austria
41. Section of Allergology; Department of Internal Medicine; Erasmus MC Rotterdam; Rotterdam The Netherlands
42. Evidence-Based Health Care Ltd; Edinburgh UK
43. School of Pharmacy; University of Bradford; Bradford UK
44. Asthma UK Centre for Applied Research; Usher Institute of Population Health Sciences and Informatics; University of Edinburgh; Edinburgh UK
45. Food Allergy Referral Centre Veneto Region Department of Women and Child Health; Padua General University Hospital; Padua Italy