About the Authors

Scott W Doniger

Affiliation Computational Biology Program, Washington University School of Medicine, St. Louis, Missouri, United States of America

Justin C Fay

To whom correspondence should be addressed. E-mail: jfay@genetics.wustl.edu

Affiliations Computational Biology Program, Washington University School of Medicine, St. Louis, Missouri, United States of America , Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SWD and JCF conceived and designed the experiments. SWD performed the experiments, analyzed the data, and wrote the paper.