Footnotes

• X @KeithPohl7, @DrADhanda

• Collaborators The Severn and Peninsula Research in Gastroenterology (SPRinG) Network Collaborators: Kushala Abeysekera (Severn Deanery), Katherine Belfield (Severn Deanery), Simeng Lin (Severn Deanery), Emma Saunsbury (Severn Deanery), Giovanna Sheiybani (Severn Deanery), Vishala Nadesan (Peninsula Deanery), Sarah Gormley (Severn Deanery), Christina Owen (Severn Deanery), Alexander Tuck (Severn Deanery), Annie Archer (Severn Deanery), Hannah Donnelly (Severn Deanery), Raghuvaran Mani (Severn Deanery), Ruairi Conway (Severn Deanery), Ria Smith (Peninsula Deanery), Azad Bhushan (Peninsula Deanery), Siobhan Dummett (Peninsula Deanery), Hafiz Babar (Peninsula Deanery).

• Contributors The project management subgroup (as listed in the online supplemental material) contributed to the conceptualisation and drafting of the manuscript. Individual site collaborators collected and collated data and are listed in the online supplemental materials. All collaborators reviewed and approved the final draft of the manuscript.

• 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 None declared.

• Provenance and peer review Not commissioned; externally 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.