About the Authors

Alexander J. Werth

awerth@hsc.edu

Affiliation Department of Biology, Hampden-Sydney College, Hampden-Sydney, Virginia, 23943, United States of America

Jean Potvin

Affiliation Department of Physics, Saint Louis University, St. Louis, Missouri, 63103, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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