Funding for this research was provided by:
Cancer Research UK (C54889/A22732)
Received: 6 February 2020
Accepted: 24 September 2020
First Online: 6 October 2020
Ethics approval and consent to participate
: The study received ethical approval from the University of East Anglia Faculty of Medicine and Health Sciences Research Ethics Committee. Informed consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests