Funding for this research was provided by:
Medical Research Council
Research Trainees Coordinating Centre
National Institute for Health Research
Received: 10 September 2020
Accepted: 16 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Ethical approval was obtained from the University of Birmingham Science, Technology, Engineering and Mathematics Ethical Review Committee (ERN_19–1173). All study participants provided written informed consent to participate in this study.
: Not applicable.
: The authors declare no competing interests.