About the Authors

Sterling Field

Affiliation Department of Biology, East Carolina University, Greenville, North Carolina, 27858, United States of America

Beth Thompson

thompsonb@ecu.edu

Affiliation Department of Biology, East Carolina University, Greenville, North Carolina, 27858, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SF BT. Performed the experiments: SF. Analyzed the data: SF BT. Wrote the paper: SF BT.