1. Department of Finance and Economics, Dongguan Polytechnic, Dongguan, People’s Republic of China
2. School of Computer and Information, City College of Dongguan University of Technology, Dongguan, People’s Republic of China
3. Management College, Guangdong Polytechnic Normal University, Guangzhou, People’s Republic of China
4. School of Business, Sun Yat-sen University, Guangzhou, People’s Republic of China