About the Authors

Marc S. Sherman

Affiliations Computational and Molecular Biophysics, Washington University in St. Louis, St. Louis, Missouri, United States of America, Center for Genome Sciences, Department of Genetics, Washington University in St. Louis, St. Louis, Missouri, United States of America

Barak A. Cohen

cohen@genetics.wustl.edu

Affiliation Center for Genome Sciences, Department of Genetics, Washington University in St. Louis, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MSS BAC. Performed the experiments: MSS. Analyzed the data: MSS. Wrote the paper: MSS BAC.