About the Authors

Sudhir Nayak

Affiliation Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, United States of America

Johnathan Goree

Affiliation Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, United States of America

Tim Schedl

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

Affiliation 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

SN and TS conceived and designed the experiments. SN and JG performed the experiments. SN and TS analyzed the data. SN and TS wrote the paper.