About the Authors

Ahmed Abbas

Affiliation Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia

Xin-Bing Kong

Affiliation Department of Statistics, Fudan University, Shanghai, China

Zhi Liu

Affiliation Department of Mathematics, Faculty of Science and Technology, University of Macau, Taipa, Macau

Bing-Yi Jing

majing@ust.hk (BYJ); xin.gao@kaust.edu.sa (XG)

Affiliation Department of Mathematics, Hong Kong University of Science and Technology, Kowloon, Hong Kong

Xin Gao

majing@ust.hk (BYJ); xin.gao@kaust.edu.sa (XG)

Affiliation Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Critical revision of the manuscript: XK ZL. Conceived and designed the experiments: BJ XG. Performed the experiments: AA XG. Analyzed the data: AA BJ XG. Contributed reagents/materials/analysis tools: XK ZL XG. Wrote the paper: AA BJ XG.