About the Authors

Alex Strauss

Current address: Department of Biology, Indiana University, Bloomington, Indiana, United States of America

Affiliation Tyson Research Center and Department of Biology, Washington University in St. Louis, St. Louis, Missouri, United States of America

Kevin G. Smith

kgs@wustl.edu

Affiliation Tyson Research Center and Department of Biology, Washington University in St. Louis, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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