About the Authors

Qian-Ming Zhang

Affiliation Web Sciences Center, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, People's Republic of China

An Zeng

an.zeng@unifr.ch (AZ); shang.mingsheng@gmail.com (MSS)

Affiliations Institute of Information Economy, Alibaba Business College, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China, Department of Physics, University of Fribourg, Fribourg, Switzerland

Ming-Sheng Shang

an.zeng@unifr.ch (AZ); shang.mingsheng@gmail.com (MSS)

Affiliation Institute of Information Economy, Alibaba Business College, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QMZ AZ MSS. Performed the experiments: QMZ AZ. Analyzed the data: QMZ AZ. Contributed reagents/materials/analysis tools: QMZ AZ. Wrote the paper: QMZ AZ MSS.