1. ENT Department Guy's and St Thomas' Hospitals London UK
2. Department of Otorhinolaryngology Düsseldorf University Hospital (UKD) Düsseldorf Germany
3. Department of Otorhinolaryngology Ghent University Ghent Belgium
4. Division of ENT diseases Karolinska Institutet Stockholm Sweden
5. First Affiliated Hospital, Sun Yat‐sen University Guangzhou China
6. Department of Otorhinolaryngology Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM) Montréal QC Canada
7. Division of Allergy, Rhinology and Skull Base Surgery Eastern Virginia Medical School Norfolk VA USA
8. Department of Otorhinolaryngology University Hospitals Leuven Leuven Belgium
9. Department of Otorhinolaryngology University of Pittsburgh Medical Center Pittsburgh PA USA
10. Sanofi Chilly‐Mazarin France
11. Regeneron Pharmaceuticals, Inc. Uxbridge London UK
12. Sanofi Bridgewater NJ USA
13. Regeneron Pharmaceuticals, Inc. Tarrytown NY USA
14. Sanofi Genzyme Reading UK