About the Authors
- Kenneth D. Whitney
- Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America
- Theodore Garland Jr
- Department of Biology, University of California Riverside, Riverside, California, United States of America
The authors have declared that no competing interests exist.
Analyzed the data: KDW TG. Contributed reagents/materials/analysis tools: TG. Wrote the paper: KDW. Conceived and designed the study: KDW.