1. School of Economics and Management, Southeast University, Nanjing, People’s Republic of China
2. School of Management Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, People’s Republic of China
3. School of Mathematical Sciences, Anhui University, Hefei, People’s Republic of China
4. Anhui University Center for Applied Mathematics, Anhui University, Hefei, People’s Republic of China