About the Authors

Yan Cui

Affiliation School of Computer Science and Technology, Nanjing University of Science and Technology, Nanjing, Jiangsu, China

Chun-Hou Zheng

Affiliation College of Electrical Engineering and Automation, Anhui University, Hefei, Anhui, China

Jian Yang

csjyang@mail.njust.edu.cn

Affiliation School of Computer Science and Technology, Nanjing University of Science and Technology, Nanjing, Jiangsu, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC. Performed the experiments: YC CHZ. Analyzed the data: YC JY. Contributed reagents/materials/analysis tools: CHZ JY. Wrote the paper: YC CHZ JY.