1. Nottingham Digestive Diseases Centre, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK
2. NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
3. Department of Pathology, Nottingham University Hospitals NHS Trust, Nottingham, UK
4. Department of Radiology, Nottingham University Hospitals NHS Trust, Nottingham, UK