About the Authors

Matthew D. Herron, Michael Doebeli
Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada

Michael Doebeli
Department of Mathematics, University of British Columbia, Vancouver, British Columbia, Canada

Corresponding Author

doebeli@zoology.ubc.ca

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: MDH MD. Performed the experiments: MDH. Analyzed the data: MDH MD. Contributed reagents/materials/analysis tools: MD. Wrote the paper: MDH MD.