1. Department of Otorhinolaryngology-Head and Neck Surgery; UZ Leuven; Leuven Belgium
2. Department of Otorhinolaryngology; Academic Medical Center; Amsterdam The Netherlands
3. Department of Otorhinolaryngology-Head and Neck Surgery; Upper Airways Research Laboratory; Ghent University; Ghent Belgium
4. Department of Otorhinolaryngology; Karolinska Institute; Stockholm Sweden
5. Swiss Institute of Allergy and Asthma Research (SIAF); Christine-Kühne Center for Allergy Research and Education; University of Zurich; Davos Switzerland
6. Department of Dermatology and Allergy; Christine Kühne-Center for Allergy Research and Education; Friedrich-Wilhelms-University; Bonn Germany
7. Faculty of Medicine; Transylvania University; Brasov Romania
8. Department of Otorhinolaryngology; Hospital Clínic Universitari; Barcelona Spain
9. Department of Biomedical Science; Personalized Medicine Clinic Asthma & Allergy; Humanitas Clinical and Research Center; Humanitas University - Rozzano (Milano); Rozzano Italy
10. Department of Respiratory Medicine; Ghent University; Ghent Belgium
11. Royal National Throat, Nose and Ear Hospital; University College London Hospitals; London UK
12. Department of Women and Child Health; Food Allergy Referral Centre Veneto Region; Padua General University Hospital; Padua Italy
13. Department of Otorhinolaryngology Head and Neck Surgery; Hacettepe University Faculty of Medicine; Ankara Turkey
14. Department of Dermatology and Allergy; Comprehensive Allergy-Centre-Charité; Charité-Universitätsmedizin Berlin; Berlin Germany
15. European Forum for Research and Education in Allergy and Airway Diseases (EUFOREA); Brussels Belgium
16. Department of Immunology and Microbiology; Laboratory of Clinical Immunology; KU Leuven; Leuven Belgium
17. Department of Respiratory Disease; University Hospital Arnaud de Villeneuve; Montpellier France