About the Authors

David R. Carrier

carrier@biology.utah.edu

Affiliation Department of Biology, University of Utah, Salt Lake City, Utah, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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