[1] Zhongnan University of Economics and Law,School of Public Administration
[2] Qingdao University,College of Politics and Public Administration
[3] Huazhong University of Science and Technology,School of Medicine and Health Management, Tongji Medical School
[4] University of Chinese Academy of Social Science,Institution of Population and Labor Economics
[5] Zhejiang A & F University,School of Economics and Management
[6] Yantai University,College of Chemistry and Chemical Engineering