About the Authors

Xiao Fan Liu

xfliu@seu.edu.cn

Affiliations School of Computer Science and Engineering, Southeast University, Nanjing, China, Key Laboratory of Computer Network and Information Integration, Southeast University, Ministry of Education, Nanjing, China

Yu-Liang Liu

Contributed equally to this work with: Yu-Liang Liu, Xin-Hang Lu, Qi-Xuan Wang, Tong-Xing Wang

Affiliation School of Computer Science and Engineering, Southeast University, Nanjing, China

Xin-Hang Lu

Contributed equally to this work with: Yu-Liang Liu, Xin-Hang Lu, Qi-Xuan Wang, Tong-Xing Wang

Affiliation School of Computer Science and Engineering, Southeast University, Nanjing, China

Qi-Xuan Wang

Contributed equally to this work with: Yu-Liang Liu, Xin-Hang Lu, Qi-Xuan Wang, Tong-Xing Wang

Affiliation School of Computer Science and Engineering, Southeast University, Nanjing, China

Tong-Xing Wang

Contributed equally to this work with: Yu-Liang Liu, Xin-Hang Lu, Qi-Xuan Wang, Tong-Xing Wang

Affiliation School of Computer Science and Engineering, Southeast University, Nanjing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XFL. Analyzed the data: XFL YLL XHL QXW TXW. Wrote the paper: XFL.