1. Faculty of Humanities and Social Sciences, Macao Polytechnic University, Macao 999078, China
2. School of Politics and Public Administration, South China Normal University, Guangzhou 510631, China
3. School of Management, Guangzhou Xinhua University, Guangzhou 510520, China
4. Department of Government and Public Administration, Faculty of Social Sciences, University of Macau, Macao 999078, China