Correction to: International Journal of Colorectal Disease (2022) 37:1621–1634 https://doi.org/10.1007/s00384-022-04157-z

In the original version of the above article, the equal contribution note was missing. The note should state:

Xijie Chen, Wenhui Wang, Junguo Chen and Liang Xu contributed equally to this article.

The original article has been corrected.