1. Research Laboratory, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
2. Allergy Service, Infanta Leonor Hospital, Madrid, Spain
3. Allergy Unit, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
4. Allergy Service, Cruz Roja Central Hospital, Madrid, Spain
5. Allergy Unit, Pneumology & Allergy Department, Hospital Clinic, Barcelona, Spain
6. Allergy Service, Alicante General Hospital, Alicante, Spain