1. Department of Clinical and Experimental Respiratory Immunoallergy; August Pi i Sunyer Biomedical Research Institute, University of Barcelona; Barcelona Spain
2. Centers for Biomedical Research Network in Respiratory Diseases; Barcelona Spain
3. Pneumology & Allergy Department; Hospital Clinic of Barcelona, University of Barcelona; Barcelona Spain
4. Rhinology Unit & Smell Clinic; ENT Department; Hospital Clinic of Barcelona, University of Barcelona; Barcelona Spain