1. Imperial College School of Medicine, Imperial College London, London, UK
2. Wellcome–MRC Institute of Metabolic Science, University of Cambridge and NIHR Cambridge Biomedical Research Centre, Cambridge University Hospitals, Cambridge, UK
3. Birmingham Medical School, University of Birmingham, Birmingham, UK
4. School of Medicine, Keele University, Keele, UK
5. Fairfield General Hospital, Pennine Acute Hospitals NHS Trust, Bury, UK
6. Brighton and Sussex Medical School, University of Sussex, Brighton, UK
7. Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK