About the Authors

Andrew D. Kern

andrew.d.kern@dartmouth.edu

Affiliation Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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