1. Liver Unit; Division of Diabetes, Endocrinology and Metabolism; Department of Medicine; Imperial College London; London UK
2. Robert Steiner MRI Unit; Imaging Sciences Department; MRC Clinical Sciences Centre; Imperial College London; London UK
3. Institute of Cellular Medicine; Newcastle University; Newcastle-upon-Tyne UK
4. Cambridge Hepatobiliary Service; Addenbrookes Hospital. Hills Road; Cambridge UK
5. Nuffield Department of Medicine; Oxford University; John Radcliffe Hospital; Oxford UK