Wang, Aijun https://orcid.org/0000-0002-2985-5796
Pang, Linxiu
Wang, Na
Ai, Peng
Yin, Desuo
Li, Shuangcheng
Deng, Qiming
Zhu, Jun
Liang, Yueyang
Zhu, Jianqing https://orcid.org/0000-0003-4921-1215
Li, Ping
Zheng, Aiping
Funding for this research was provided by:
the scientific and technological research program of the Chongqing Municipal Education Commission
Article History
Received: 19 March 2018
Accepted: 4 October 2018
First Online: 18 October 2018
Competing Interests
: The authors declare no competing interests.