CONFLICT OF INTEREST:
SM reports personal fees from Synergy Respiratory & Cardiac Care (Canada), Permanyer Inc. (Spain), Elsevier Inc., and Apollo Gleneagles Hospital (India) outside this submitted work. UEB reports grants from CAMS-32 outside the submitted work. PD received grants from ALK, Stallergenes Greer, AstraZeneca, ThermoFisherScientific, Ménarini, GSK, Zambon, Viatris, and personal fees from Chiesi, and Puuressentiel, outside the submitted work. PD is also the Vice President of the French Allergy Society and Immediate Past President of the French Allergy Council. IA-M reports grants from the European Council and other public bodies outside the submitted work. IA-M is also the President of the IRD Ethic Committee and Member of the European Respiratory Society Ethic and Integrity Committee. Other authors do not have any conflict of interest to declare.
Word Count: 2,511 (except abstract, references, table, and figure legends)
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