Correction to: BMC Gastroenterology (2022) 22:177 https://doi.org/10.1186/s12876-022-02215-y

After publication of this article [1], it was reported that the copyright holder for this article was incorrectly given as “The Author(s)”, but should have been “Pfizer Inc. and The Author(s)”.

The original article [1] has been updated.