About the Authors

Christina T. L. Chen

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

David I. Gottlieb

Affiliation Department of Anatomy and Neurobiology, Washington University in St. Louis School of Medicine, St. Louis, Missouri, United States of America

Barak A. Cohen

cohen@genetics.wustl.edu

Affiliation Department of Genetics, Washington University in St. Louis School of Medicine, 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: CTLC DG BAC. Performed the experiments: CTLC. Analyzed the data: CTLC. Contributed reagents/materials/analysis tools: CTLC DG BAC. Wrote the paper: CTLC DG BAC.