Geraets, Ilja
Schermer, Tjard
Kocks, Janwillem W. H. http://orcid.org/0000-0002-2760-0693
Akkermans, Reinier
Bischoff, Erik
van den Bemt, Lisette http://orcid.org/0000-0002-3771-8273
Article History
Received: 15 March 2018
Revised: 7 September 2018
Accepted: 11 September 2018
First Online: 9 October 2018
Competing interests
: J.W.H.K. is an associate editor of <i>npj Primary Care Respiratory Medicine</i>. J.W.H.K. reports grants and personal fees from AstraZeneca, grants and personal fees from Boehringer Ingelheim, grants from Chiesi, grants and personal fees from GSK, grants and personal fees from Novartis, grants from Mundi Pharma, and grants from TEVA, outside the submitted work. T.S. is a member of the editorial board of <i>npj Primary Care Respiratory Medicine</i>. T.S. reports grants and personal fees from GlaxoSmithKline, Novartis, and Boehringer Ingelheim, outside the submitted work. The other authors declare no competing interests.