Wu, Huijie
Li, Yuan http://orcid.org/0000-0002-4681-7978
Funding for this research was provided by:
the Fundamental Research Funds for the Central Universities (XDJK2016C003)
Innovation and Entrepreneurship Students, the Foundation of Chongqing Municipal Education Commission (KJ1711292)
Article History
Received: 26 June 2018
Accepted: 17 September 2018
First Online: 21 September 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interests regarding the publication of this paper.