Correction to: BMC Gastroenterology (2022) 22:274 https://doi.org/10.1186/s12876-022-02355-1

After publication of this article [1], the authors reported that in the Funding section the grant number was incorrectly given as ‘20171BBG70083’ and should have been ‘20212BAG70026’.

The original article [1] has been corrected.