About the Authors

David Kappel

Contributed equally to this work with: David Kappel, Stefan Habenschuss

david@igi.tugraz.at

Affiliation Institute for Theoretical Computer Science, Graz University of Technology, A-8010 Graz, Austria

Stefan Habenschuss

Contributed equally to this work with: David Kappel, Stefan Habenschuss

Affiliation Institute for Theoretical Computer Science, Graz University of Technology, A-8010 Graz, Austria

Robert Legenstein

Affiliation Institute for Theoretical Computer Science, Graz University of Technology, A-8010 Graz, Austria

Wolfgang Maass

Affiliation Institute for Theoretical Computer Science, Graz University of Technology, A-8010 Graz, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DK RL WM SH. Performed the experiments: DK. Analyzed the data: DK. Wrote the paper: WM RL DK SH. Developed the theory: SH RL DK.