1. Casa di Cura Quisisana Rome & Fondazione Mediterranea G.B. Catania Italy
2. University Children's Hospital Medical Faculty University of Belgrade Belgrade Serbia
3. Departement of Dermatology and Allergology Institut Pierre Louis d'Epidemiologie et de Sante Publique INSERM Tenon Hospital Sorbonne Université Paris France
4. Allergology University Hospital Basel Basel Switzerland
5. Department of Dermatology and Allergy Biederstein Technische Universität München Munich Germany
6. Pediatric Allergy Unit Geneva University Hospital Geneva Switzerland
7. Department of Immunology and Allergy Ankara University School of Medicine Ankara Turkey
8. Department of Allergy and Immunology Centro Hospitalar Universitário de S João Porto Portugal
9. Division of Allergy Department of Pulmonology Hôpital Arnaud de Villeneuve University Hospital of Montpellier Montpellier France
10. UMRS 1136 Equipe ‐ EPAR ‐ IPLESP UPMC Univ Sorbonne Universités Paris France
11. Allergy Clinic Department of Dermatology and Allergy Herlev and Gentofte Hospital University of Copenhagen Copenhagen Denmark
12. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
13. Allergy Research Group Instituto de Investigación Biomédica de Málaga-IBIMA Malaga Spain
14. Allergy Unit Hospital Regional Universitario de Málaga-UMA-ARADyAL Malaga Spain
15. Clinical Immunology and Allergy Unit Sheffield Teaching Hospital Sheffield UK
16. University of Liverpool Liverpool UK
17. Regional Adult Cystic Fibrosis Unit St James's Hospital Leeds UK