About the Authors

William Amos


Affiliation Department of Zoology, Cambridge University, Cambridge, Cambridgeshire, United Kingdom

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WA. Performed the experiments: WA. Analyzed the data: WA. Contributed reagents/materials/analysis tools: WA. Wrote the paper: WA.