About the Authors

Henning Sprekeler

To whom correspondence should be addressed. E-mail: h.sprekeler@biologie.hu-berlin.de

Affiliation Institute for Theoretical Biology, Humboldt-Universität zu Berlin, Berlin, Germany

Christian Michaelis

Affiliation Institute for Theoretical Biology, Humboldt-Universität zu Berlin, Berlin, Germany

Laurenz Wiskott

Affiliation Institute for Theoretical Biology, Humboldt-Universität zu Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

LW formulated the problem. All authors contributed to the general line of arguments. HS and CM worked out the details of the analysis. All authors contributed to the writing of the paper.