1 Department of Gastroenterology, Royal Infirmary of Edinburgh, Edinburgh, UK.
2 Royal Preston Hospital, Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK.
3 Manchester Royal Infirmary, Manchester University NHS Foundation Trust, Manchester, UK.
4 Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK Rahul Kalla, Wadiamu Gashau, Simon Borg-Bartolo, Liam Morris, Kirsty Nixon, Beth Miller, Tom Barnes, Bex Cox, Elizabeth Ratcliffe, Francis Egbuonu, Johannah Cook, Ben Crooks, Scott Healey, Joe Fiske, Guarev Nigam, Kath White, Dipesh Vasant, Joe Ingoe, Adam Hamdi, Maleek Sado, Katherine Martin, Michael Finegan, Mohamed Shibeika and Rizwan Diyar.