1. School of Public Administration and Policy, Renmin University of China, No. 59, Zhongguancun Street, Haidian, Beijing 100872, China
2. School of Law, Shandong University (Weihai Campus), No. 180, Wenhua West Road, Huancui, Weihai City, Shandong 264209, China
3. School of Humanities and Social Sciences, North China Electric Power University, No. 689, Huadian Road, Lianchi, Baoding, Hebei 071003, China