Li, Wenya http://orcid.org/0000-0002-0681-385X
An, Qi
Yang, Shengchang
Guo, Qiuhong
Zhao, Yashuo
Ji, Ensheng http://orcid.org/0000-0002-5858-7567
Funding for this research was provided by:
National Natural Science Foundation of China (30971195, 81170069)
Hebei Education Department Foundation (ZD2014043, QN2016166, ZD2014005, ZD2017057)
Natural Science Foundation of Hebei Province (C2011206031, C2009001053)
Article History
Accepted: 3 December 2018
First Online: 7 December 2018
Compliance with Ethical Standards
:
: All authors report no conflict of interests.