1. Joint Advisory Group on Gastrointestinal Endoscopy, Royal College of Physicians, London, UK
2. Wolfson Unit for Endoscopy, St Mark’s Hospital, London, UK
3. Department of Surgery and Cancer, Imperial College London, London, UK
4. NHS Improvement, NHS England, London, UK
5. Department of Gastroenterology, Airedale NHS Foundation Trust, Keighley, UK
6. Department of Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
7. Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
8. Department of Psychology, University of Cambridge, Cambridge, UK
9. Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK