About the Authors

Kuiying Deng

RossDeng@pku.edu.cn (KD); chutg@pku.edu.cn (TC)

Affiliations State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, Beijing, China, Department of Mathematics, Uppsala University, Uppsala, Sweden

Tianguang Chu

RossDeng@pku.edu.cn (KD); chutg@pku.edu.cn (TC)

Affiliations State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, Beijing, China, Key Laboratory of Machine Perception (Ministry of Education), Peking University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KD TC. Performed the experiments: KD TC. Wrote the paper: KD TC.