Correction to: Langenbeck's Archives of Surgery (2021) 406:377–383

https://doi.org/10.1007/s00423-021-02081-4

The funding information provided in the initially published version of this manuscript is incorrect. In fact, this study has not been published open access, and is therefore not funded by the “Open Access” program of the DFG.

The Funding statement has been removed.

The original article has been corrected