About the Authors

Carlos A. Flores-López

Affiliation Department of Biology, University of Maryland, College Park, Maryland, United States of America

Carlos A. Machado

machado@umd.edu

Affiliation Department of Biology, University of Maryland, College Park, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAM. Performed the experiments: CF-L. Analyzed the data: CF-L CAM. Contributed reagents/materials/analysis tools: CAM. Wrote the paper: CF-L CAM.