1. Institute of Laboratory Medicine Universities of Giessen and Marburg Lung Center (UGMLC) German Center for Lung Research (DZL) Philipps Universität Marburg Marburg Germany
2. Upper Airways Research Laboratory and Department of Oto‐Rhino‐Laryngology Ghent University and Ghent University Hospital Ghent Belgium
3. Division of ENT Diseases CLINTEC Karolinska Institute University of Stockholm Stockholm Sweden
4. Deutsches Rheuma Forschungszentrum Ein Institut der Leibnizgemeinschaft Berlin Germany
5. Klinik für Kinder‐ und JugendmedizinEvangelisches Klinikum Bethel Bielefeld Germany
6. Allergy Center of the Ruhr University Bochum Germany
7. School of Pharmacy Faculty of Medicine The Institute for Drug Research The Hebrew University of Jerusalem Israel
8. Clinics of Dermatology and Allergy Faculty of Medical Health and Sciences University of Oldenburg Germany
9. Institute of Pharmacology University of Bern Bern Switzerland
10. Skin Center Harlaching Munich Germany
11. Department of Pulmonary Medicine University Hospital Essen—Ruhrlandklinik Essen Germany
12. Department of Internal Medicine I Division of Hematology and Hemostaseology, and Ludwig Boltzmann Institute for Hematology & Oncology Medical University of Vienna Vienna Austria
13. Department of Infection Biology University Hospital Erlangen and Friedrich‐Alexander University Erlangen‐Nuremberg Erlangen Germany
14. Klinik für Dermatologie Allergologie und Venerologie Medizinische Hochschule Hannover Hannover Germany
15. Deptment of Dermatology and Allergology Biederstein Technical University Munich (TUM) Munich Germany