School of Public Administration and Emergency Management, Jinan University, Guangzhou, 510632, China
College of Continuing Education and Open College, Guangdong University of Foreign Studies, Guangzhou, 510420, China
Science College, Hunan Agricultural University, Changsha, 410128, China
Modern Business and Management Department, Guangdong Construction Polytechnic, Guangzhou, 510440, China
School of Mathematics and Statistics, Central South University, Changsha, 410083, China
