1. Mianyang Teachers’ College, Mianyang 621000, China
2. Geely University of China, Beijing, Chengdu 610000, China
3. International College, Krirk University, Bangkok 10220, Thailand
4. ICO, National Institute of Development Administration, Bangkok 10240, Thailand
5. National Human Resources Institute for Service Outsourcing, Tsinghua University, Beijing 1008406, China