Affiliation: | 1. Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK;2. National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, UK;3. Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham, UK;4. Centre for Medical Imaging, Division of Medicine, UCL, London, UK |