About the Authors

Sulav Duwal

Affiliation Department of Mathematics and Computer Science, Free University Berlin, Berlin, Germany

Christof Schütte

Affiliation Department of Mathematics and Computer Science, Free University Berlin, Berlin, Germany

Max von Kleist

vkleist@zedat.fu-berlin.de

Affiliation Department of Mathematics and Computer Science, Free University Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SD MvK. Performed the experiments: SD MvK. Analyzed the data: SD CS MvK. Wrote the paper: MvK.