1. School of Business, Jiangnan University, Wuxi, China
2. College of Computer Science and Engineering, Jishou University, Jishou, China
3. Zhejiang Laboratory, Hangzhou, China
4. Faculty of Information Technology and Electrical Engineering, University of Oulu, Oulu, Finland
5. Institute of Mechanics, Graduate University of Science and Technology, Vietnam Academy of Science and Technology (VAST), Ho Chi Minh City, Vietnam
6. Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Russia
7. Department of Economics, Division of Mathematics and Informatics, National and Kapodistrian University of Athens, Athens, Greece
8. Faculty of Science and Mathematics, University of Nis, Nis, Serbia