1. Joint Advisory Group on Gastrointestinal Endoscopy, Royal College of Physicians, London, United Kingdom of Great Britain and Northern Ireland
2. Surgery and Cancer, Imperial College London, London, United Kingdom of Great Britain and Northern Ireland
3. Wolfson Unit for Endoscopy, St Mark's Hospital and Academic Institute, London, United Kingdom of Great Britain and Northern Ireland
4. Gastroenterology, University Hospital of North Tees, Stockton-on-Tees, United Kingdom of Great Britain and Northern Ireland
5. Population Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, United Kingdom of Great Britain and Northern Ireland
6. Institute of Global Health Innovation, Imperial College London, London, United Kingdom of Great Britain and Northern Ireland
7. Gastroenterology, Airedale NHS Foundation Trust, Keighley, United Kingdom of Great Britain and Northern Ireland
8. Metabolism, Digestion and Reproduction, Imperial College London, London, United Kingdom of Great Britain and Northern Ireland