About the Authors

Alexander J. Stewart

alstew@sas.upenn.edu

Affiliations Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, CoMPLEX, University College London, London, United Kingdom

Robert M. Seymour

Affiliations CoMPLEX, University College London, London, United Kingdom, Department of Mathematics, University College London, London, United Kingdom

Andrew Pomiankowski

Affiliations CoMPLEX, University College London, London, United Kingdom, Department of Genetics, Evolution and Environment, University College London, London, United Kingdom

Max Reuter

Affiliation Department of Genetics, Evolution and Environment, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJS MR. Performed the experiments: AJS. Analyzed the data: AJS RMS AP. Wrote the paper: AJS RMS AP MR.