1. Center for Rhinology and Allergology, Wiesbaden, Germany
2. Department of Skin Diseases, Outpatient Clinic for Allergology, Occupational Dermatology and Environmental Medicine, Münster University Hospital, Münster, Germany
3. Institute of Medical Statistics and Computational Biology (IMSB), Medical Faculty of the University of Cologne, Cologne, Germany
4. CRI – Clinical Research International Ltd, Hamburg, Germany
5. ClinCompetence Cologne GmbH, Cologne, Germany
6. Division of Allergy, Department of Pulmonology, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France
7. Université, Equipe EPAR - IPLESPUMR-S 1136 INSERM-Sorbonne, Paris, France
8. Rhinology Unit & Smell Clinic, ENT Department, Hospital Clínic; Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, University of Barcelona, Barcelona, Spain
9. Department of Otolaryngology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
10. Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University, Melbourne, Australia
11. Pôle des Voies Respiratoires, Hôpital Larrey, CHU de Toulouse and Centre de Physiopathologie Toulouse Purpan, INSERM U1043, CNRS UMR 5282, Université Toulouse III, Toulouse, France
12. Clinic of Pediatric and Adolescent Medicine, Airway Research Center North (ARCN), Member of the German Lung Center (DZL), Lübeck University, Lübeck, Germany
13. Global Medical Affairs Department, Stallergenes Greer, Antony, France