Conflict of interest statement
Dr. Papi reports grants, personal fees, non-financial support from AstraZeneca, Boehringer Ingelheim, Chiesi Farmaceutici, GlaxoSmithKline, Menarini and Sanofi/Regeneron, personal fees, non-financial support from Mundipharma, Zambon, and Novartis; personal fees from Roche, grants from Fondazione Maugeri and Fondazione Chiesi, personal fees from Edmondpharma, outside the submitted work.