Funding for this research was provided by:
Cancer Research UK (C51836/A25751)
National Cancer Institute (P01-CA200512)
Received: 19 August 2020
Accepted: 30 March 2021
First Online: 13 April 2021
: This study received ethical approval by King’s College London Research Ethics Committee (LRS-17/18-5765). Participants all provided informed consent.
: Not applicable.
: AMcN is a National Institute for Health Research (NIHR) Senior Investigator. The views expressed in this article are those of the authors and not necessarily those of the NIHR, or the Department of Health and Social Care. All other authors have no conflicts of interest.