Funding for this research was provided by:
The British Heart foundation (PG/06/073/21118; and PG/14/85/31161)
Received: 7 January 2020
Accepted: 19 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: This study was approved by the research ethics committee of the Faculty of Health and Medical Science at the University of Surrey (EC/2011/38), UK. Written consents were received from participants together with survey questionnaires.
: Not applicable.
: The authors declare that they have no competing interests.