Funding for this research was provided by:
National Institute for Health Research (RP-PG-0615-20019)
Received: 15 November 2019
Accepted: 15 June 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: The study was approved by the Bradford Leeds Research Ethics Committee [17/YH/0236] and the Scotland A Research Ethics Committee [17/SS/0099]. Written informed consent was attained from all interviewees, and from all participants involved in focused observations.
: Not applicable.
: The authors report no competing interests.