Yuanmin, Chai
Jing, Li
Xiuli, Sun
Zhenkun, Lei
Lirong, Zhang
Guocun, Hou https://orcid.org/0000-0003-1594-3645
Funding for this research was provided by:
Baotou Science and Technology Bureau (2018C2007-02-15)
Article History
Accepted: 28 May 2020
First Online: 10 June 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All study participants provided written informed consent prior to study enrollment. This study was approved by the local Clinical Research Ethics Committee at Baotou Central Hospital (approval number (2018 [ethics] 007)).