1. School of Public Administration, Chongqing Finance and Econmics College, Chongqing, China
2. School of Economics, Chongqing Finance and Econmics College, Chongqing, China
3. Faculty of Economics and Administrative Sciences, Cag University, Mersin, Turkey
4. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
5. School of Economics, Quaid-i-Azam University, Islamabad, Pakistan