About the Authors
- Henning Sprekeler, Christian Michaelis, Laurenz Wiskott
- Institute for Theoretical Biology, Humboldt-Universität zu Berlin, Berlin, Germany
The authors have declared that no competing interests exist.
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.