About the Authors

Jeanne S. Peterson

Affiliation Department of Biology, Boston University, Boston, Massachusetts, United States of America

Kimberly McCall

kmccall@bu.edu

Affiliation Department of Biology, Boston University, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JSP KM. Performed the experiments: JSP. Analyzed the data: JSP KM. Wrote the paper: JSP KM.