Wei, Guiwu http://orcid.org/0000-0001-9074-2005
Zhang, Zuopeng http://orcid.org/0000-0002-4074-9505
Funding for this research was provided by:
National Natural Science Foundation of China (61174149, 71571128)
Humanities and Social Sciences Foundation of Ministry of Education of the People’s Republic of China (17XJA630003)
Construction Plan of Scientific Research Innovation Team for Colleges and Universities in Sichuan Province (15TD0004)
Article History
Received: 23 November 2017
Accepted: 22 February 2018
First Online: 28 February 2018