About the Authors

Hsin-Hung Chou

Affiliation Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America

Julia Berthet

Current address: Swarthmore College, Swarthmore, Pennsylvania, United States of America

Affiliation Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America

Christopher J. Marx

cmarx@oeb.harvard.edu

Affiliation Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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