About the Authors

Zheng Yang

Affiliations Department of Computational Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, Department of Physics and Astronomy, School of Arts & Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Peter Májek

Affiliation Department of Computer Science, Cornell University, Ithaca, New York, United States of America

Ivet Bahar

bahar@ccbb.pitt.edu

Affiliation Department of Computational Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZY IB. Performed the experiments: ZY PM. Analyzed the data: ZY PM IB. Wrote the paper: ZY IB.