About the Authors

Daniel J. Catron

Affiliation Biology Department, Duke University, Durham, North Carolina, United States of America

Mohamed A. F. Noor

NOOR@DUKE.EDU

Affiliation Biology Department, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAFN. Performed the experiments: DJC. Analyzed the data: DJC MAFN. Wrote the paper: DJC MAFN.