About the Authors

Xing Chen

Contributed equally to this work with: Xing Chen, Biao Ren

Affiliations National Centre for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences, Beijing, P. R. China, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, P. R. China

Biao Ren

Contributed equally to this work with: Xing Chen, Biao Ren

Affiliations University of Chinese Academy of Sciences, Beijing, P. R. China, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, P. R. China

Ming Chen

Affiliation Chinese Academy of Sciences Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, P. R. China

Ming-Xi Liu

Affiliations Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, P. R. China, University of Chinese Academy of Sciences, Beijing, P. R. China

Wei Ren

Current address: Microsoft Search Technology Asia, Beijing, P. R. China

Affiliation Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, P. R. China

Quan-Xin Wang

Affiliation School of Life Science, University of Science and Technology of China, Hefei, P.R. China

Li-Xin Zhang

zhanglixin@im.ac.cn (LXZ); yangy@amss.ac.cn (GYY)

Affiliations South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, P. R. China, Chinese Academy of Sciences Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, P. R. China

Gui-Ying Yan

zhanglixin@im.ac.cn (LXZ); yangy@amss.ac.cn (GYY)

Affiliations National Centre for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences, Beijing, P. R. China, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GYY LXZ XC. Performed the experiments: LXZ BR MC QXW XC MXL. Analyzed the data: XC MXL. Contributed reagents/materials/analysis tools: XC GYY WR. Wrote the paper: XC GYY LXZ BR MXL.