1. Department of Otorhinolaryngology, Head and Neck Surgery Section of Rhinology and Allergy University Hospital MarburgPhilipps‐Universität Marburg Marburg Germany
2. Transylvania University Brasov Romania
3. Theramed Medical Center Brasov Romania
4. Department of Cardiovascular and Thoracic Sciences Fondazione Policlinico Universitario A. Gemelli – IRCCSUniversità Cattolica del Sacro Cuore Rome Italy
5. National Heart and Lung Institute (NHLI)Imperial College London London UK
6. Children's Allergy ServiceEvelina Children's HospitalGuy's and StThomasHospital NHS Foundation Trust London UK
7. Paediatric Allergy Group Department of Women and Children's Health School of Life Course Sciences King's College London London UK
8. School of Medicine University CEU San Pablo Madrid Spain
9. Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
10. Department of Internal Medicine Allergology Clinical Immunology, Medical University of Silesia Katowice Poland
11. Department of Internal Medicine Division of Immunology and Allergic Diseases Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
12. Institute of Pathophysiology and Allergy Research Center of Pathophysiology, Infectiology and Immunology Medical University of Vienna Vienna Austria
13. Department of Clinical Immunology Wrocław Medical University Wroclaw Poland
14. ALL‐MED Medical Research Institute Wrocław Poland
15. Center for Rhinology and Allergology Wiesbaden Germany
16. Departments of Immunology and Dermatology/Allergology University Medical Center Utrecht Utrecht The Netherlands
17. Department of Dermatology and Allergology Helsinki University Hospital Inflammation CentreUniversity of Helsinki Helsinki Finland
18. Department of Dermatology and Allergy Centre Odense Research Centre for Anaphylaxis (ORCA) Odense University HospitalUniversity of Southern Denmark Odense Denmark
19. Department of Infection and Immunity Luxembourg Institute of Health Esch‐sur‐Alzette Luxembourg
20. Departments of Medicine and Microbiology APC Microbiome IrelandUniversity College Cork Cork Ireland
21. Department of Biochemistry and Molecular Biology Chemistry School Complutense University of Madrid Madrid Spain
22. Allergy and Clinical Immunology Department of Paediatrics Yong Loo Lin School of MedicineNational University of Singapore Singapore
23. Institut de Recerca Sant Joan de Déu Barcelona Spain
24. Centre for Inflammation Research and Child Life and Heath the University of Edinburgh Edinburgh UK
25. Royal Brompton and Harefield NHS Foundation Trust London UK
26. Allergy UnitMalaga Regional University Hospital‐UMA‐ARADyAL Málaga Spain
27. Department of Occupational Diseases and Environmental Health Nofer Institute of Occupational Medicine Lodz Poland
28. Department of Otolaryngology and Center of Allergy and Environment TUM School of MedicineTechnical University of Munich Munich Germany
29. Allergy Unit Department of Pediatrics Meyer Children’s University Hospital Florence Italy
30. Personalized Medicine Asthma and Allergy – Humanitas Clinical and Research Hospital IRCCS Rozzano MI Italy
31. Department of Biomedical Sciences Humanitas University Pieve Emanuele MI Italy
32. The Interuniversity Messerli Research Institute University of Veterinary Medicine, ViennaMedical University Vienna Vienna Austria
33. “Io e l’Asma” Center Children’s HospitalASST Spedali Civili Brescia Italy
34. Pediatric Allergy and Clinical Immunology Department Hospital Sant Joan de Déu Barcelona Spain
35. Department of Pediatric Allergy Hacettepe University School of Medicine Ankara Turkey
36. Faculty of Medicine University of Belgrade Belgrade Serbia
37. Clinic of Allergology and Immunology Clinical Centre of Serbia Belgrade Serbia
38. Universitat de Barcelona Barcelona Spain