About the Authors

Deng Pan

Affiliation Department of Computer Science, Virginia Tech, Blacksburg, Virginia, United States of America

Liqing Zhang

lqzhang@vt.edu

Affiliations Department of Computer Science, Virginia Tech, Blacksburg, Virginia, United States of America, Program in Genetics, Bioinformatics, and Computational Biology, Virginia Tech, Blacksburg, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DP LZ. Performed the experiments: DP. Analyzed the data: DP. Wrote the paper: DP LZ.