1. School of Business and Management, RMIT International University, Vietnam
2. The Australian National University, Canberra, Australia
3. Economics Department, School of Accounting, Finance and Economics, The University of Waikato, Waikato, New Zealand
4. International School, Vietnam National University Hanoi, Hanoi, Vietnam
5. Thang Long Institute of mathematics and applied sciences, Thang Long University, Hanoi, Vietnam