About the Authors

Linyuan Lü

Affiliations Research Center for Complex System Science, University of Shanghai for Science and Technology, Shanghai, People's Republic of China, Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, University of Fribourg, Chemin du Musée 3, Fribourg, Switzerland

Yi-Cheng Zhang

yi-cheng.zhang@unifr.ch

Affiliations Research Center for Complex System Science, University of Shanghai for Science and Technology, Shanghai, People's Republic of China, Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, University of Fribourg, Chemin du Musée 3, Fribourg, Switzerland

Chi Ho Yeung

Affiliations Research Center for Complex System Science, University of Shanghai for Science and Technology, Shanghai, People's Republic of China, Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, University of Fribourg, Chemin du Musée 3, Fribourg, Switzerland

Tao Zhou

Affiliations Research Center for Complex System Science, University of Shanghai for Science and Technology, Shanghai, People's Republic of China, Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, University of Fribourg, Chemin du Musée 3, Fribourg, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LL Y-CZ CHY TZ. Performed the experiments: LL. Analyzed the data: LL Y-CZ CHY TZ. Contributed reagents/materials/analysis tools: LL. Wrote the paper: Y-CZ CHY.