About the Authors

Sarah K. McMenamin

skmcmena@u.washington.edu.

Current address: Department of Biology, University of Washington, Seattle, Washington, United States of America

Affiliation Department of Biology, Stanford University, Stanford, California, United States of America

Elizabeth A. Hadly

Affiliation Department of Biology, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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