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Twitter @RMBeattie50, @James__Ashton, @GastroRIE
Funding JJA is funded by an Action Medical Research training fellowship and by a personal ESPEN fellowship.
Competing interests MB is Editor-in-Chief of Frontline Gastroenterology; IDP is an Associate Editor of Frontline Gastroenterology and Vice President, Endoscopy, of British Society of Gastroenterology. They have coauthored this paper in a personal capacity.
Patient consent for publication Not required.
Provenance and peer review Commissioned; internally peer reviewed.