Erratum to:

Informatik Spektrum 2021

https://doi.org/10.1007/s00287-021-01372-w

In the original version of this paper the authors forgot to add the acknowledgements to the article.

The missing acknowledgements should read:

FormalPara Acknowledgements

We are grateful for funding support from the Bavarian Research Institute for Digital Transformation (bidt).

The original article has been corrected. We apologise for any inconvenience caused to our readers.