1. The University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital; Oxford UK
2. Oxford Centre for Diabetes, Endocrinology and Metabolism (OCDEM); University of Oxford, Churchill Hospital; Oxford UK
3. Translational Gastroenterology Unit; University of Oxford, John Radcliffe Hospital; Oxford UK
4. Oxford NIHR Biomedical Research Centre; Oxford UK