1. National Institute for Health Research Biomedical Research Centre in Gastrointestinal and Liver Diseases Nottingham University Hospitals NHS Trust Nottingham UK
2. Department of Colorectal Surgery Nottingham University Hospitals NHS Trust University of Nottingham Nottingham UK
3. Milton Keynes University Hospitals NHS Foundation Trust Milton Keynes UK
4. Department of Gastroenterology Royal Wolverhampton NHS Trust Wolverhampton UK
5. School of Cancer Sciences University of Birmingham Birmingham UK