Correction to: International Journal of Colorectal Disease https://doi.org/10.1007/s00384-021-03958-y

In the original published version of this article, the orders of the authors Jinzhi Zhang and Shi Wei in the authorship section were interchanged. Jinzhi Zhang should have been the first author and Shi Wei as second author. Both authors have contributed equally to this work.

The original article has been corrected.