Funding for this research was provided by:
Bowel Disease Research Foundation
Royal College of Surgeons of England
Received: 15 July 2020
Accepted: 3 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of East of Scotland Research Ethics Service (16/ES/0800) and of West Midlands Solihull Research Ethics Committee (16/WM/0486). As the study data was handled in an anonymised format, individual consent from patients was not deemed necessary by the ethics committee. The study was performed in accordance with the Declaration of Helsinki. Participating sites included The Christie NHS Foundation Trust, Manchester, UK and St James’ University Hospital, Leeds, UK.
: Not applicable.
: AGR has received lecture honoraria from Merck Serona and Janssen-Cilag, and independent research funding and lecture honoraria from Novo Nordisk and Sanofi Pasteur MPS, unrelated to this study. All other authors have no conflicts of interest to declare.