1. Department of Immunology and Allergy Medical University of Łódź Łódź Poland
2. Allergy and Clinical Immunology Research Group Department of Microbiology, Immunology and Transplantation KU Leuven Leuven Belgium
3. Department of Cardiovascular and Thoracic Sciences Fondazione Policlinico Universitario A. Gemelli ‐ IRCCS Università Cattolica del Sacro Cuore Rome Italy
4. National Heart and Lung Institute (NHLI) Imperial College London London UK
5. Department of Medical Sciences and Public Health "M. Aresu" University of Cagliari Cagliari Italy
6. Basic and Clinical Immunology Department of Pathology Faculty of Medicine University of Porto Porto Portugal
7. Serviço de Imunoalergologia Centro Hospitalar de São João E.P.E Porto Portugal
8. Department of Respiratory Medicine & Allergology Institute for Clinical Science Skane University Hospital Lund University Lund Sweden
9. Department of Respiratory Medicine First Faculty of Medicine Charles University and Thomayer Hospital Prague Czech Republic
10. Epidemiology Research Unit‐ Instituto de Saúde Pública University of Porto Porto Portugal
11. Allergy & Immunology Centre Tbilisi Georgia
12. Teaching University Geomedi LLC Tbilisi Georgia
13. Allergy Unit, Hospital CUF Descobertas Lisbon Portugal