Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (184.021.007)
Received: 4 August 2020
Accepted: 26 November 2020
First Online: 11 December 2020
Ethics approval and consent to participate
: This study was approved by the medical ethical board of University Medical Center Groningen, and all participants gave written informed consent.
: GHK reports grants from Lung Foundation of the Netherlands, TEVA the Netherlands, Vertex, GSK, Ubbo Emmius Foundation, TETRI foundation, outside the submitted work. The rest of the authors declare that they have no relevant conflict of interests.