About the Authors

William E. Peterman

bill.peterman@gmail.com

Affiliation University of Missouri, Division of Biological Sciences, Columbia, Missouri, United States of America

Raymond D. Semlitsch

Affiliation University of Missouri, Division of Biological Sciences, Columbia, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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