Article History
Received: 12 March 2019
Accepted: 24 June 2019
First Online: 4 July 2019
Compliance with ethical standards
:
: Dr. Kuo reports personal fees from Pfizer and Bristol-Myers Squibb, personal fees from Circassia, personal fees from AstraZeneca, outside the submitted work. Dr. Jabbal reports personal fees and non-financial support from Chiesi Pharma, personal fees and non-financial support from Pfizer, non-financial support and other from Napp, personal fees and non-financial support from AstraZeneca, non-financial support from Teva, personal fees and non-financial support from Mylan, personal fees from Boehringer Ingelheim, outside the submitted work. Dr. Lipworth reports personal fees and non-financial support from Thorasys, during the conduct of the study; grants, personal fees and non-financial support from Chiesi; grants, personal fees and non-financial support from Boerhinger; grants, personal fees and non-financial support from AstraZeneca, outside the submitted work.