1. Ghent UniversityUpper Airways Research LaboratoryGhentBelgium
2. SanofiHealth Economics and Outcomes ResearchParisFrance
3. AIXIALBiometry DepartmentLevallois‐PerretFrance
4. Karolinska InstitutetDivision of ENT DiseasesCLINTECStockholmSweden
5. Dept of OtorhinolaryngologyCharité‐Universitätsmedizin BerlinBerlinGermany
6. Medical University of LodzDept of ImmunologyRheumatology and AllergyLodzPoland
7. Academic Medical CentreDept of OtorhinolaryngologyAmsterdamNetherlands
8. IDIBAPSClinical & Experimental Respiratory ImmunoallergyBarcelonaCataloniaSpain
9. Dept of OtorhinolaryngologyHead and Neck SurgeryUniversity Hospitals LeuvenLeuvenBelgium
10. Dept of Otolaryngology‐Head and Neck SurgeryTemple University School of MedicinePhiladelphiaPAUSA
11. Royal National ThroatNose and Ear HospitalAllergy and Medical Rhinology UnitLondonUK
12. Royal National ThroatNose and Ear HospitalRhinology UnitLondonUK