1. School of Languages and Media, Anhui University of Finance and Economics, Bengbu 233000, China
2. Economics School of Business, Southern Connecticut State University, New Haven, CT 06515, USA
3. Faculty of Economics, Technical University of Ostrava, 70800 Ostrava-Poruba, Czech Republic
4. Center for International Education, Philippine Christian University, Manila 1004, Philippines
5. Research Center for Health Economics, Anhui University of Finance and Economics, Bengbu 233000, China