1. Specialist Registrar in Gastroenterology, Department of Gastroenterology and Endoscopy, Doncaster Royal Infirmary, Doncaster, England
2. Associate Specialist in Gastroenterology, Department of Gastroenterology and Endoscopy, Doncaster Royal Infirmary, Doncaster, England
3. Sister in Endoscopy, Department of Gastroenterology and Endoscopy, Doncaster Royal Infirmary, Doncaster, England
4. Senior Sister in Endosopy, Department of Gastroenterology and Endoscopy, Doncaster Royal Infirmary, Doncaster, England
5. Consultant Gastoenterologist and Clinical Lead in Endoscopy, Department of Gastroenterology and Endoscopy, Doncaster Royal Infirmary, Doncaster, England