Funding for this research was provided by:
Chest Heart and Stroke Scotland (not known)
Text and Data Mining valid from 2020-02-11
Received: 24 September 2019
Accepted: 6 February 2020
First Online: 11 February 2020
Ethics approval and consent to participate
: This study was approved by the University of Stirling Ethics and Research Committee and the National Research and Ethics Committee (NRES), North of Scotland (Rec ref. 13/NS/0152 (IRAS project ID: 133236). A written consent was obtained from all participants in the study.
: Not applicable.
: The authors declare that they have no competing interests.