About the Authors

Stefan Bernhard

bernhard@math.fu-berlin.de

Affiliation Free University Berlin, DFG Research Center MATHEON, Berlin, Germany

Frank Noé

Affiliation Free University Berlin, DFG Research Center MATHEON, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SB FN. Performed the experiments: SB. Analyzed the data: SB FN. Wrote the paper: SB.