Correction to: BMC Gastroenterol (2020) 20:20

https://doi.org/10.1186/s12876-020-1171-1

Following publication of the original article [1], we have been notified that there is a mistake in the corresponding author mentioned.

Currently the corresponding author mentioned is: Hyera Kim (kheyra@naver.com). However, it should be Jin Young Kim (takgu@dsmc.or.kr)