Li, Xiao-hua
She, Li-jun
Zhang, Wei
Cheng, Xiao-dong
Fan, Jin-peng
Article History
Received: 15 September 2021
Accepted: 20 January 2022
First Online: 9 February 2022
Declarations
:
: The study design was approved by the institutional review board of the third Hospital of Hebei Medical University before data collection and analysis. All methods were carried out in accordance with relevant guidelines and regulations. The volunteer agreed to the trial protocol and informed consent was obtained from him..
: Not applicable.
: The authors declare that they have no competing interests.