1. NIHR Nottingham Digestive Diseases Biomedical Research Centre University of Nottingham Nottingham UK
2. Nottingham Digestive Diseases Centre Nottingham University Hospitals NHS Trust Nottingham UK
3. Barts and The London School of Medicine and Dentistry London UK
4. Wingate Institute of Neurogastroenterology Queen Mary University of London London UK
5. Clinical Trials Research Unit Leeds Institute of Clinical Trials Research, University of Leeds Leeds UK
6. Royal Stoke Hospital University Hospitals of North Midlands NHS Trust Stoke UK
7. Barnsley Hospital, Barnsley Hospital NHS Foundation Trust Barnsley UK
8. Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
9. Western General Hospital Edinburgh, NHS Lothian Edinburgh UK
10. Sandwell General Hospital, Sandwell and West Birmingham Hospitals NHS Trust Birmingham UK
11. Wythenshawe Hospital Manchester University NHS Foundation Trust Manchester UK
12. Salford Royal University Hospital Salford Royal NHS Foundation Trust Manchester UK
13. St Mark's Hospital, London North West Healthcare NHS Trust London UK
14. University of Leeds, Wellcome Trust Brenner Building, Level 9, St James's University Hospital Leeds UK
15. Discipline of Surgery and Gastroenterology, Flinders Medical Centre Flinders University Bedford Park South Australia Australia
16. Leeds Institute of Medical Research at St. James's, University of Leeds Leeds UK
17. Leeds Gastroenterology Institute Leeds Teaching Hospitals NHS Trust Leeds UK