1. Department of Social Sciences, University of Eastern Finland , Kuopio , Finland
2. School of Social Development and Public Policy, Fudan University , Shanghai , China
3. Tianjin Normal University , Tianjin , China
4. Faculty of Public Administration, Nanjing Agricultural University , Nanjing , Jiangsu Province , China
5. School of Social Work, University of Texas at Arlington , Arlington , Texas , USA
6. Department of Neurology, Second Affiliated Hospital of Naval Medical University(Changzheng Hospital) , Shanghai , China