Li, Zi-Ling
Zhang, Zi-Yang
Zhao, Teng-Wen
Meng, Chun-Yan
Zhang, Qian-Ying
Wang, Man-Man http://orcid.org/0000-0002-1801-6321
Funding for this research was provided by:
the Research Foundation of Education Bureau of Hebei Province, China (ZD2018014)
Training Foundation of North China University of Science and Technology, China (JQ201717)
Graduate Student Innovation Fund of Hebei Province, China (JXC2019004)
Article History
Received: 26 April 2020
Accepted: 18 August 2020
First Online: 2 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All volunteers signed informed consent forms for this study. This study was approved by the Ethics Committee of the North China University of Science and Technology (Tangshan, China).
: All authors consent to participate.
: All authors consent for publication.
: Not applicable.