About the Authors

Christoph Zechner

Current address: Department of Biosystems Science and Engineering, ETH Zurich, Zurich, Switzerland

Affiliation Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich, Switzerland

Heinz Koeppl

heinz.koeppl@bcs.tu-darmstadt.de

Affiliation Department of Electrical Engineering and Information Technology, Technische Universität Darmstadt, Darmstadt, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CZ HK. Performed the experiments: CZ. Analyzed the data: CZ. Contributed reagents/materials/analysis tools: CZ HK. Wrote the paper: CZ HK.