Affiliations:
1. Allergy Unit, IBIMA-Regional University Hospital of Málaga, ARADyAL, Málaga, Spain.
2. Pneumology and Allergy Unit, University Hospital of Jerez, Cádiz, Spain.
3. Novartis Farmacéutica, Barcelona, Spain.
4. Department of Allergy, La Paz Hospital Institute for Health Research (IdiPAZ), Madrid, Spain; Centro de investigación en red de enfermedades respiratorias (CIBERES), Madrid, Spain.
5. Pneumology Unit. Costa del Sol Hospital. Marbella, Málaga, Spain.
6. Pneumology Service. University Hospital Doctor Peset. Valencia, Spain.
7. Pneumology Service. University Hospital Basulto, Bilbao, Spain.
8. Allergy Service, University Hospital of Salamanca and Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain; Biomedical and Diagnosis Science Department, Salamanca University School of Medicine, Salamanca, Spain