Funding for this research was provided by:
Research for Patient Benefit Programme (PB-PG-0614-34070)
Received: 4 December 2019
Accepted: 7 August 2020
First Online: 17 August 2020
Ethics approval and consent to participate
: The study was sponsored by Lancaster University, and received NHS REC approval from Wales REC 5 (16/WA/0032) on 3rd February 2016. All relevant HRA and governance approvals were gained. All participants gave written consent.
: Not applicable.
: The authors declare that they have no competing interests.