1. School of Mathematics and Statistics, Guangxi Normal University, Guilin, People's Republic of China
2. School of Mathematical Sciences, Sunway University, Selangor Darul Ehsan, Malaysia
3. The Coordinated Innovation Center for Computable Modeling in Management Science, Tianjin University of Finance and Economics, Tianjin, People's Republic of China
4. School of Mechanical Electrical Engineering, Heilongjiang University, Harbin, People's Republic of China