1. Allergy & Asthma Center Westend Berlin Germany
2. Charité Universitätsmedizin Berlin Freie Universität Berlin Humboldt Universität zu Berlin Berlin Germany
3. Department of Dermatology and Allergy Berlin Institute of Health Berlin Germany
4. Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
5. Institut für Allergie und Asthmaforschung Berlin (IAAB) GbR Berlin Germany
6. Department of Otorhinolaryngology & Head/Neck Surgery University Hospital Duesseldorf Heinrich Heine University Duesseldorf Germany
7. Global Research ALK‐Abellò A/S Hørsholm Denmark
8. Medical Department ALK‐Abelló Arzneimittel GmbH Hamburg Germany
9. Department of Otorhinolaryngology University of Dresden Dresden Germany
10. Department of Dermatology and Allergology Technical University of Munich Munich Germany
11. Clinical Unit Allergology Helmholtz Zentrum München German Research Center for Environmental Health GmbH Neuherberg Germany