1. Faculty of Medicine Transylvania University Brasov Romania
2. Servicio de Alergia Hospital Universitario Ramón y Cajal Instituto Ramón y Cajal de Investigación Sanitaria Madrid Spain
3. ALYATEC Environmental Exposure Chamber Chest Diseases Department Strasbourg University Hospital University of Strasbourg Strasbourg France
4. Department of Cardiovascular and Thoracic Sciences Università Cattolica del Sacro Cuore Fondazione Policlinico Universitario A. Gemelli ‐ IRCCS Rome Italy
5. Allergy Unit Fondazione Policlinico A. Gemelli IRCCS Rome Italy
6. Department of Respiratory CIC Nord INSERMINRAE C2VN Aix Marseille University Marseille France
7. Centro de Alergia Hospital CUF Descobertas Lisboa Portugal
8. Pediatrics National Jewish Health Denver Colorado USA
9. Fondation A de Rothschild Paris France
10. University Hospital Clermont‐Ferrand France
11. Division of Respirology Department of Medicine McMaster University Hamilton Ontario Canada
12. ALYATEC Environmental Exposure Chamber Strasbourg France
13. Center for Rhinology and Allergology Wiesbaden Germany
14. Research Centre Centre Intégré Universitaire de santé et de services sociaux du Nord‐de‐l'île‐de‐Montréal Montréal Quebec Canada
15. Faculty of Medicine Université de Montreal Montreal Quebec Canada
16. Department of Medicine Firestone Institute of Respiratory Health at St. Joseph's Healthcare McMaster University Hamilton Ontario Canada
17. Departament de Medicina Servei de Pneumología Hospital Universitari Valld´Hebron Universitat Autònoma de Barcelona (UAB) Institut de Recerca (VHIR) CIBER de Enfermedades Respiratorias (CIBERES) Barcelona Spain
18. Division of Pediatric Allergy and Immunology Center for Environmental Medicine, Asthma and Lung Biology The School of Medicine The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
19. Department of Respiratory Medicine University Hospital Lucus Augusti Lugo Spain
20. Section of Rhinology and Allergy Department of Otorhinolaryngology, Head and Neck Surgery University Hospital Marburg Philipps‐Universität Marburg Marburg Germany
21. Allergy Unit Hospital Regional Universitario de Malaga Instituto de Investigacion Biomedica de Malaga (IBIMA) Malaga Spain
22. Center of Allergy & Immunology Teaching University Geomedi LLC Tbilisi Georgia
23. Allergy Unit Hospital Universitario Fundación Jiménez Díaz Center for Biomedical Network of Respiratory Diseases (CIBERES) Instituto de Salud Carlos III (ISCIII) Madrid Spain
24. Department for Children and Adolescents, Division of Allergology Pulmonology and Cystic Fibrosis Goethe‐University Hospital Frankfurt am Main Germany
25. Basic and Clinical Immunology Unit Department of Pathology Faculty of Medicine University of Porto and Serviço de Imunoalergologia Centro Hospitalar São João, EPE Porto Portugal
26. Respiratory Division Department of Medicine University Health Network, Toronto Western Hospital University of Toronto Department of Medicine, and Dalla Lana Department of Public Health Toronto Ontario Canada
27. Haartman Institute, Medicum, Skin and Allergy Hospital Hospital District of Helsinki and Uusimaa Helsinki University Hospital and University of Helsinki Helsinki Finland
28. Department of Occupational Diseases and Environmental Health Nofer Institute of Occupational Medicine Łódź Poland