Li, Yang
Su, Haiyan
Yang, Li
Yue, Meng
Wang, Mingbo
Gu, Xiaolong
Dai, Lijuan
Wang, Xiangming
Su, Xiaohua
Zhang, Andu
Ren, Jialiang
Shi, Gaofeng
Article History
Received: 7 December 2021
Accepted: 20 April 2022
First Online: 17 May 2022
Declarations
:
: This study was carried out in accordance with the Declaration of Helsinki. The Ethics Committee of the Fourth Hospital of Hebei Medical University approved this retrospective single institution study and waived the requirement for informed consent (Approval Number: 2020KY389).
: Not applicable.
: The authors declare that they have no competing interests.