1. Allergy Section, Severe Asthma Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain
2. Pneumology Department, Severe Asthma Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain
3. Pediatric Department, Severe Asthma Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain
4. Otorhinolaryngology Department, Severe Asthma Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain
5. Pharmacy Department, Severe Asthma Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain