1. College of Mathematics and System Science, Xinjiang University, Urumqi, People's Republic of China
2. School of Statistics and Data Science, Nankai University, Tianjin, People's Republic of China
3. School of Data Science and Artificial Intelligence, Dongbei University of Finance and Economics, Dalian, People's Republic of China
4. School of Statistics and Mathematics, Zhongnan University of Economics and Law, Wuhan, People's Republic of China