1. Skin and Allergy Hospital, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
2. Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
3. Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
4. Allergic Rhinitis and its Impact on Asthma (ARIA), Montpellier, France
5. ISGlobal, Barcelona, Spain
6. Universitat Pompeu Fabra (UPF), Barcelona, Spain