About the Authors

Kevin Liu

Affiliation Department of Computer Science, University of Texas at Austin, Austin, Texas, United States of America

C. Randal Linder

Affiliation Section of Integrative Biology, School of Biological Sciences, University of Texas at Austin, Austin, Texas, United States of America

Tandy Warnow

tandy@cs.utexas.edu

Affiliation Department of Computer Science, University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TW. Performed the experiments: KL. Analyzed the data: TW KL CRL. Contributed reagents/materials/analysis tools: KL. Wrote the paper: KL TW. Suggested statistical tests: CRL.