Funding for this research was provided by:
NIHR Oxford Biomedical Research Centre
Wellcome Trust (WT109965MA)
Received: 16 February 2021
Accepted: 24 June 2021
First Online: 8 July 2021
: Ethics were approved by the research ethics committee (REC) at Yorkshire & The Humber—Sheffield (GI Biobank Study 16/YH/0247), and written informed consent was obtained from each patient before sample collection.
: Not applicable.
: The authors declare that they have no competing interests.