Footnotes

• Twitter @James__Ashton, @GastronautIan

• Funding JA is funded by an Action Medical Research Training fellowship and by an ESPEN personal fellowship.

• Competing interests RMB 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 article in a personal capacity.

• Patient consent for publication Not required.

• Provenance and peer review Not commissioned; externally peer reviewed.

• Author note Twitter-

  RMB- @RMBeattie50

  JJA- @James__Ashton

  IDP- @GastronautIan