1. Department of Pediatric Pneumology and Allergy The Medical University of Warsaw Warsaw Poland
2. Department of Pediatrics with Clinical Assessment Unit Medical University of Warsaw Warsaw Poland
3. Department of Pediatrics, Willem‐Alexander Children's Hospital Leiden University Medical Centre Leiden The Netherlands
4. Department of Immunology, 2nd Faculty of Medicine, Motol University Hospital Charles University Prague Czech Republic
5. Department of Pediatrics, 1st Faculty of Medicine, Thomayer University Hospital Charles University Prague Czech Republic
6. Pediatric Cardiology Services Royal Brompton Hospital London UK
7. National Heart and Lung Institute Imperial College London London UK
8. Paediatric Allergy Group, Department of Women and Children's Health, School of Life Course Sciences, St. Thomas' Hospital King's College London London UK
9. Children's Allergy Service, Evelina Children's Hospital Guy's and St.Thomas' Hospital NHS Foundation Trust London UK
10. Paediatric Allergy Group, Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, Guys' Hospital King's College London London UK
11. Department of Women‐Children‐Teenagers University Hospital of Geneva Geneva Switzerland
12. Karl Landsteiner University of Health Sciences Krems Austria
13. Translational Medicine Program, Research Institute The Hospital for Sick Children Toronto Ontario Canada
14. Department of Immunology University of Toronto Toronto Ontario Canada
15. Department of Pediatric and Adolescent Medicine University Hospital St. Pölten St. Pölten Austria
16. Department of Regenerative Medicine and Immune Regulation Medical University of Bialystok Bialystok Poland
17. Center for Allergy and Environment (ZAUM) Technical University and Helmholtz Center Munich Munich Germany
18. Department of Dermatology, Medical Faculty University Hospital Düsseldorf, Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
19. Faculty of Science Charles University Prague Czech Republic
20. Department of Immunology Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS‐Princesa) Madrid Spain
21. Department of Immunology and Oncology Centro Nacional de Biotecnología (CNB‐CSIC) Madrid Spain
22. Faculty of Experimental Sciences Universidad Francisco de Vitoria (UFV) Madrid Spain
23. Department of Medicine, McMaster Immunology Research Centre McMaster University Hamilton Ontario Canada
24. Pediatric Pneumology, Immunology and Critical Care Medicine Charité – Universitätsmedizin Berlin and Deutsches Rheuma‐Forschungszentrum (DRFZ), an Institute of the Leibniz Association Berlin Germany
25. SKIN Research Group Vrije Univeristeit Brussel (VUB) Brussels Belgium
26. Department of Dermatology, Vrije Universiteit Brussel (VUB) Universitair Ziekenhuis Brussel (UZ Brussel) Brussels Belgium
27. Department of Dermatology and Allergy Center, Odense Research Center for Anaphylaxis (ORCA) Odense University Hospital Odense Denmark
28. Allergy, Immunology and Rheumatology Division, Department of Paediatrics, Yong Loo Lin School of Medicine National University of Singapore Singapore Singapore
29. Fundacion Jimenez Diaz and CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid Spain
30. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Davos Switzerland
31. Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
32. Institute of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology Medical University of Vienna Vienna Austria
33. Department of Paediatric Medicine Franciscus Gasthuis & Vlietland Rotterdam The Netherlands
34. Department of Neonatology Erasmus MC‐Sophia Rotterdam The Netherlands