Jiao, Jianjun
Li, Pei
Feng, Dahe
Funding for this research was provided by:
NNSFC (11761019,11361014)
the Project of High Level Creative Talents in Guizhou Province (20164035)
the Joint Project of Department of Commerce of P.R.China and Guizhou University of Finance and Economics (2016SWBZD18)
Article History
Received: 26 January 2018
Accepted: 13 August 2018
First Online: 22 October 2018
Competing interests
: The authors declare that they have no competing interests.