1. University Institute of Molecular Pathology Biomarkers University of Extremadura. ARADyAL Instituto de Salud Carlos III Cáceres Spain
2. Allergy Service Badajoz University Hospital. ARADyAL Instituto de Salud Carlos III Badajoz Spain
3. Research Laboratory, IBIMA, ARADyAL Instituto de Salud Carlos III Regional University Hospital of Málaga, UMA Málaga Spain
4. Allergy Unit, IBIMA, ARADyAL Instituto de Salud Carlos III Regional University Hospital of Málaga, UMA Málaga Spain
5. Allergy Service, ARADyAL Instituto de Salud Carlos III Infanta Leonor University Hospital Madrid Spain
6. Allergy Unit and Allergy‐Anaesthesia Unit, ARADyAL Instituto de Salud Carlos III Hospital Central Cruz Roja Madrid Spain
7. Allergy Section, Pneumology Department, Hospital Clinic, ARADyAL Instituto de Salud Carlos III Universitat de Barcelona Barcelona Spain
8. Allergy Service, Alcorcón Hospital Madrid Spain
9. Allergy Unit, ARADyAL Instituto de Salud Carlos III Regional University Hospital Alicante Spain