Affiliation: | 1. Sir Peter Mansfield Magnetic Resonance Centre, School of Physics and Astronomy, University of Nottingham, , Nottingham, UK;2. Nottingham Digestive Diseases Centre, School of Clinical Sciences, University of Nottingham, , Nottingham, UK;3. Nottingham Digestive Diseases Biomedical Research Unit, Nottingham University Hospitals, University of Nottingham, , Nottingham, UK |