Li, Guoqiang
Chen, Bin
Qi, Xiaobin
Zhang, Lu
Funding for this research was provided by:
National Natural Science Foundation of China (61403331)
Program for the Top Young Talents of Higher Learning Institutions of Hebei (BJ2017033)
Natural Science Foundation of Hebei Province (F2016203427)
China Postdoctoral Science Foundation (2015M571280)
Article History
First Online: 14 June 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.