Ding, Guotao
Jin, Zengjun
Zhang, Yunzhe
Han, Yonghong
Li, Guiying
Jing, Yongfa
Li, Weihao http://orcid.org/0000-0002-6465-7269
Funding for this research was provided by:
a key scientific and research project grant funded by Science and Technology Bureau of Hebei Province (17275505D)
Article History
Received: 7 January 2020
Accepted: 3 May 2020
First Online: 11 May 2020
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects.
: Not applicable.