Correction to: BMC Gastroenterol 21, 269 (2021). https://doi.org/10.1186/s12876-021-01826-1

Following publication of the original article [1], it was reported that the affiliation of the corresponding author should be changed from “Dept. of Gastroenterology, University Hospital Heraklion, Heraklion, Crete, Greece" to "Gastroenterology Department, University Hospital of Heraklion, Medical School University of Crete, Greece''.

The original article [1] has been corrected.