1. School of History and Public Administration, Yancheng Teachers University, Yancheng 224007, China
2. Guangzhou Xinhua University, Dongguan 523133, China
3. Guangdong College of Finance and Commerce, Qingyuan 511500, China
4. Overseas Study Service Centre, Central China Normal University, Wuhan 430079, China
5. School of Public Administration, Guangzhou University, Guangzhou 510006, China
6. School of Education, Teachers College, Guangzhou University, Guangzhou 510006, China