About the Authors

Yali Wang

yl-wang06@mails.tsinghua.edu.cn

Affiliation Department of Automation, Tsinghua University, Beijing, China

Tong Zhou

Affiliations Department of Automation, Tsinghua University, Beijing, China, Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YLW TZ. Performed the experiments: YLW. Analyzed the data: YLW TZ. Wrote the paper: YLW TZ.