Affiliations

• ¹ KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Allergy and Clinical Immunology Research Group, Leuven, Belgium; University Hospitals Leuven, Department of Otorhinolaryngology, Leuven, Belgium; University Hospital Ghent, Department of Otorhinolaryngology, Laboratory of Upper Airways Research, Ghent, Belgium; Academic Medical Center, University of Amsterdam, Department of Otorhinolaryngology, Amsterdam, The Netherlands.
• ² RNENT Hospital, Huntley Street, London, UK.
• ³ Upper Airways Research Laboratory, Dept of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium; Division of ENT diseases, CLINTEC, Karolinska Institute, University of Stockholm, Sweden;Sun Yat-sen University, International Airway Research Center, First Affiliated Hospital, Guangzhou, China.
• ⁴ Dept of Respiratory Medicine and Allergology, Skane Uni- versity Hospital, Lund, Sweden.
• ⁵ Personalized Medicine Asthma and Allergy Clinic, Humanitas University and Research Hospital, Milan, Italy, and SANI-Severe Asthma Network Italy.
• ⁶ Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.
• ⁷ Ear, Nose, and Throat (ENT) Department, Flinders Univer- sity, Bedford Park, South Australia, Australia.
• ⁸ 1st Department of ORL, Head and Neck Surgery, Aristotle University, AHEPA Hospital, Thessaloniki, Greece.
• ⁹ European Forum for Research and Education in Allergy and Airway Diseases (EUFOREA), Brussels, Belgium.
• ¹⁰ Dept of Respiratory Medicine and Allergology, Institute for Clinical Science, Skane University Hospital, Lund University, Lund, Sweden; Department of Respiratory Medicine, First Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czech Republic; Dept Clin Pharm and Pharmacol, Univ Groningen, Univ Med Ctr Groningen, Groningen, Netherlands.
• ¹¹ Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Inflammation, Repair and Development, National Heart and Lung Institute, Imperial College London; MRC and Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom.
• ¹² Upper Airways Research Laboratory, Dept of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium.
• ¹³ Rhinology and Skull Base, Applied medical research center, University of New South Wales, Sydney, Australia; Faculty of medicine and heath sciences, Macquarie University, Sydney, Australia.
• ¹⁴ Ear, Nose and Throat Department, Guys and St. Thomas Hospital, London, United Kingdom.
• ¹⁵ Department of Otorhinolaryngology Head and Neck surgery, Odense University Hospital, Denmark; University of Southern Denmark, Odense, Denmark.
• ¹⁶ Center for Rhinology and Allergology, Wiesbaden, Germany; Mainz University Allergy Center, Mainz, Germany.
• ¹⁷ Royal National Throat, Nose and Ear Hospital, UCLH, London, UK.
• ¹⁸ Optimum Patient Care, Cambridge, UK; Observational and Pragmatic Research Institute, Singapore.
• ¹⁹ Monash Health, Monash University, Melbourne, Australia.
• ²⁰ Usher institute, University of Edinburgh, Edinburgh, UK.
• ²¹ The David Hide Asthma and Allergy Research Centre, St Mary's Hospital, Newport Isle of Wight, United Kingdom;NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom; University of Southampton, Southampton, United Kingdom.
• ²² Department of Oto-Rhino-Laryngology, Head and Neck Surgery, Skane University Hospital, Malmoo, Sweden.
• ²³ Helsinki University Hospital, Helsinki, Finland.
• ²⁴ Imperial College London, London, UK.
• ²⁵ Royal Brompton and Ha- refield NHS Trust, London, UK.
• ²⁶ Clinical Medicine, Griffith University, Southport, QLD, Australia.
• ²⁷ Department of Otorhinolaryngo- logy, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
• ²⁸ Department of Otorhinolaryngology, Universitatsklinikum Dusseldorf, Dusseldorf, Germany.
• ²⁹ Klinik fur Padiatrie m.S. Pneumologie und Immunologie, Charite, Berlin, Germany.
• ³⁰ Academic Medical Center, University of Amsterdam, Department of Otorhinolaryngology, Amsterdam, The Netherlands.