About the Authors

Wolfgang Maass

To whom correspondence should be addressed. E-mail: maass@igi.tugraz.at

Affiliation Institute for Theoretical Computer Science, Technische Universitaet Graz, Graz, Austria

Prashant Joshi

Affiliation Institute for Theoretical Computer Science, Technische Universitaet Graz, Graz, Austria

Eduardo D Sontag

Affiliation Department of Mathematics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

WM conceived and designed the experiments. PJ performed the experiments. WM and EDS analyzed the data. WM contributed reagents/materials/analysis tools. WM and EDS wrote the paper.