Funding for this research was provided by:
National Natural Science Foundation of China (71740021, 11861034, 71661010)
National Natural Science Foundation of China (11461030)
“Thirteen five” Programming Project of Jiangxi province Social Science (16GL08, 17GL33, 18GL13)
the Jiangxi Provincial Humanities and Social Sciences Research Project (JC162020)
Education Department of Jiangxi Province (GJJ180946)
Article History
Received: 5 November 2018
Accepted: 25 May 2019
First Online: 6 June 2019