1. School of Health and Related Research, University of Sheffield, Sheffield, UK
2. Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, UK
3. Department of General Surgery, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
4. Patient Representative, UK
5. Hull University Teaching Hospitals NHS Trust, Hull, UK
6. Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, UK
7. Inflammatory Bowel Disease Centre, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK