About the Authors

Jin Wang

To whom correspondence should be addressed. E-mail: jin.wang.1@stonybrook.edu (JW); sunzhr@mail.tsinghua.edu.cn (ZS)

Affiliations Department of Chemistry and Department of Physics, State University of New York at Stony Brook, Stony Brook, New York, United States of America , State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People's Republic of China

Bo Huang

Affiliation Department of Biological Science and Biotechnology, Ministry of Education Key Laboratory of Bioinformatics, Tsinghua University, Beijing, China, People's Republic of China

Xuefeng Xia

Affiliation Department of Biological Science and Biotechnology, Ministry of Education Key Laboratory of Bioinformatics, Tsinghua University, Beijing, China, People's Republic of China

Zhirong Sun

To whom correspondence should be addressed. E-mail: jin.wang.1@stonybrook.edu (JW); sunzhr@mail.tsinghua.edu.cn (ZS)

Affiliation Department of Biological Science and Biotechnology, Ministry of Education Key Laboratory of Bioinformatics, Tsinghua University, Beijing, China, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JW conceived and designed the experiments. BH and XX performed the experiments. JW, BH, and XX analyzed the data. JW contributed reagents/materials/analysis tools. JW wrote the paper. ZS provided the source of funding for the graduate students.