1. Allergy Unit Hospital Regional Universitario de Malaga Malaga Spain
2. Allergy Group Instituto de InvestigacionBiomedica de Malaga (IBIMA) and ARADyAL Malaga Spain
3. Groningen Research Institute for Asthma and COPDUniversity Medical Centre GroningenUniversity of Groningen Groningen the Netherlands
4. Department of Pulmonary Diseases University of GroningenUniversity Medical Centre Groningen Groningen the Netherlands
5. Department of Cardiovascular and Thoracic Sciences Fondazione PoliclinicoUniversitario "A Gemelli" – IRCCSUniversity of the Sacred Heart Rome Italy
6. National Heart and Lung Institute (NHLIImperial College London UK
7. Allergy Unit Fondazione Policlinico Universitario “A. Gemelli” – IRCCS Rome Italy
8. Centro de Alergia Hospital CUF Descobertas Lisboa Portugal
9. Division of Allergy and Clinical Immunology Faculty of Medicine Ankara YildirimBeyazit University Ankara Turkey
10. Center of Allergy &Immunology Tbilisi Georgia
11. Teaching University Geomedi LLC Tbilisi Georgia
12. Allergy Department Hospital Infantil Universitario del Niño Jesús Madrid Spain
13. Allergy Group Instituto de Investigación del Hospital de la Princesa (IP) and ARADyAL Madrid Spain
14. Allergy and Clinical Immunology Unit Department of Medical Sciences and Public Health University Hospital "DuilioCasula" Monserrato (Cagliari) Italy
15. Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
16. ALL‐MED Medical Research Institute Wroclaw Poland
17. Faculty of Medicine Department of Allergy and Clinical Immunology Transylvania University Brasov Brasov Romania