About the Authors

Bruce R. Levin

blevin@emory.edu

Affiliation Department of Biology, Emory University, Atlanta, Georgia, United States of America

Omar E. Cornejo

Affiliation Department of Biology, Emory University, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BRL. Performed the experiments: BRL OEC. Analyzed the data: BRL OEC. Wrote the paper: BRL OEC. Programmed the model: BRL.