1. Department of Gastroenterology; University Hospital of North Tees; Stockton on Tees UK
2. University School of Medicine; Pharmacy and Health; Durham University; Stockton on Tees UK
3. Department of Gastroenterology; Queen Elizabeth Hospital; Gateshead UK
4. Wolfson Unit for Endoscopy; St Mark's Hospital; London UK
5. Department of Gastroenterology; Queen Alexandra Hospital; Portsmouth UK
6. Department of Gastroenterology; New Cross Hospital; Wolverhampton UK
7. Department of Gastroenterology; Cheltenham General Hospital; Cheltenham UK
8. Department of Gastroenterology; Leeds General Infirmary; Leeds UK
9. Department of Histopathology; Royal Victoria Hospital; Belfast UK
10. Department of Colorectal Surgery; Torbay Hospital; Torquay UK
11. Department of Colorectal Surgery; Medway Maritime Hospital; Gillingham UK
12. Department of Gastroenterology; University Hospital Llandough; Cardiff UK