Tian, He
Fan, Chao http://orcid.org/0000-0002-3870-2951
Liu, Gangzha
Zhang, Yonghui
Wang, Mengjun
Li, Erping
Funding for this research was provided by:
Natural Science Foundation of Hebei Province (No. F2017202058)
Science and Technology Research Program for Colleges and Universities of Hebei Province, China (No. QN2017041)
National Natural Science Foundation of China (NO.61804043)
Article History
Received: 7 August 2018
Accepted: 20 September 2018
First Online: 25 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.