1. Elsie Bertram Diabetes Centre Norfolk & Norwich University Hospitals NHS Foundation Trust Norwich UK
2. Norwich Medical School University of East Anglia Norwich UK
3. Nottingham Digestive Diseases Centre, Division of Translational Medical Sciences, School of Medicine Queen's Medical Centre, University of Nottingham Nottingham UK
4. MRC Versus Arthritis Centre for Musculoskeletal Ageing, School of Life Sciences Queen's Medical Centre, University of Nottingham Nottingham UK
5. Division of Surgery, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA