About the Authors

Johannes Schöneberg

Affiliation Department of Mathematics, Free University of Berlin, Berlin, Germany

Frank Noé

frank.noe@fu-berlin.de

Affiliation Department of Mathematics, Free University of Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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