1. Allergy Section Clinica Universidad de Navarra Madrid Spain
2. Paediatric Allergy Unit Hospital General Universitario Gregorio Marañón Gregorio Marañón Health Research Institute (IiSGM Madrid Spain
3. Pediatric Allergy and Clinical Immunology Department Hospital Sant Joan de Déu Barcelona Spain
4. Paediatric Allergy Section Severo Ochoa University Hospital Madrid Spain
5. Paediatric Allergy Section General University Hospital Malaga Spain
6. Paediatric Allergy Section Vall D’Hebron University Hospital “Growth and Development” Research Group Vall d’Hebron Research Institute (VHIR) Barcelona Spain
7. Paediatric Allergy Section Teresa Herrera Hospital Coruna Spain
8. Allergy Department General University Hospital Alicante Spain
9. Paediatrics Department. Hospital Clinico Universitario de Santiago de Compostela Coruna Spain
10. Paediatric Allergy Section Arquitecto Marcide Hospital Coruna Spain
11. Allergy Department Clinico San Carlos Hospital Madrid Spain
12. Paediatric Allergy Department Anna Meyer Children’s Hospital Florence Italy
13. Pediatric Allergology Unit Department of Pediatric Medicine Bambino Gesù Children’s Research Hospital (IRCCS Rome Italy
14. Immunology Department CDB, Hospital Clínic de Barcelona Barcelona Spain
15. IDIBAPS Universitat de Barcelona Barcelona Spain
16. Section of Inflammation, Repair and Development, National Heart and Lung Institute Imperial College London London UK