Funding for this research was provided by:
Received: 13 September 2017
Accepted: 30 April 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: The Medical Research Ethics Committee (MREC) of the University Hospital Utrecht concluded that the Medical Research Involving Human Subjects Act (WMO) did not apply to either the COPD-GRIP trial or this qualitative evaluation. Therefore, no WMO approval by the MREC was needed. The MREC had ensured that the individuals involved in the study were adequately informed that their data were being used for research proposes. Written informed consent was obtained from all individual participants included in the study before starting the data collection.
: Not applicable.
: The authors declare that they have no competing interests.
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