Correction to: BMC Gastroenterology (2022) 22:116 https://doi.org/10.1186/s12876-022-02192-2

After publication of this article [1], the authors reported that the affiliation details for the first author were incorrectly given as “Division of Gastroenterology, Department of Internal Medicine, Chungnam National University Hospital, 282, Munhwa-ro, Jung-gu, Daejeon 35015, Republic of Korea”, but should have been “Division of Gastroenterology, Department of Internal Medicine, Chungnam National University Sejong Hospital, 20, Bodeum 7-ro, Sejong 30099, Republic of Korea”.

The original article [1] has been updated.