Yan, Zhaoyang
Xu, Xinjian
Lu, Juntao
You, Yang
Xu, Jinsheng
Xu, Tongxin
Funding for this research was provided by:
Natural Science Foundation of Hebei Province (No.H2021206259, No.H2021206259, No.H2021206259)
Article History
Received: 7 February 2022
Accepted: 28 March 2022
First Online: 3 April 2022
Declarations
:
: This study protocol was approved by the Ethics Committee of the Fourth Hospital of Hebei Medical University (2021KY138). The Ethics Committee of the Fourth Hospital of Hebei Medical University approved the waiver of informed consent owing to the retrospective design of this study. We declare that all the experiment protocol for involving humans was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.