About the Authors

Gregory J Hogan

Affiliation Department of Biology and Carolina Center for Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Cheol-Koo Lee

Address ¤ Current address: Division of Biotechnology and Genetic Engineering, College of Life and Environmental Sciences, Korea University, Anam-dong, Seongbuk-gu, Seoul, Korea

Affiliation Department of Biology and Carolina Center for Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Jason D Lieb

To whom correspondence should be addressed. E-mail: jlieb@bio.unc.edu

Affiliation Department of Biology and Carolina Center for Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GJH, CKL, and JDL conceived and designed the experiments. GJH and CKL performed the experiments. GJH and JDL analyzed the data. GJH and CKL contributed reagents/materials/analysis tools. GJH and JDL wrote the paper.