Funding for this research was provided by:
Health Services and Delivery Research Programme (16/48/07)
Received: 22 June 2020
Accepted: 19 November 2020
First Online: 27 November 2020
Ethics approval and consent to participate
: The wider programme of research of which this study is a part of was reviewed and approved by the North West Greater Manchester East NHS Research Ethics Committee (Reference: 17/NW/0426, 1st August 2017). Full written consent was obtained from all participants included in this study.
: Not applicable.
: The authors declare that they have no competing interests.