Footnotes

• Twitter @ZachSmithGI

• Contributors Conception and design: NF, SW, BJE, RNK, RJH and PC; analysis plan: NF, MH and SW; drafting of the article: NF; critical revision of the article for important intellectual content: all authors; final approval of the article: all authors. NF was the guarantor of the article.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests NF is a consultant for and has received speaker’s fees from Pentax Medical and Boston Scientific, is a consultant for Pendopharm and has received research funding from Pentax Medical. MA has received speaker’s fees from Olympus, Medtronic and Fujifilm and is a consultant for Ambu. Y-IC is a consultant for Boston Scientific and has received research funding from Boston Scientific. KM is a consultant for Sebela Pharmaceuticals, Pentax, Boston Scientific and Fujifilm and owns shares in Kate Farms and Virgo SVS. PDS has received research funding from Pentax Medical, The E-Nose company, MicroTech, Norgine and Motus GI, and is on the advisory board of Boston Scientific and Motus GI. ZLS is a consultant for STERIS Endoscopy. JJT has received research funding from Penodpharm and was on an advisory board for Pendopharm. SW is a consultant for Exact Sciences and Interpace, is on the Advisory Board for Cernostics and has received research funding from Lucid, Ambu and CDx. All other authors have no conflicts to declare.

• Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

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

• Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.