Wang, Xianzheng
Liu, Huanan
Wang, Weijian
Sun, Yapeng
Zhang, Fei
Guo, Lei
Li, Jiaqi
Zhang, Wei
Article History
Received: 18 March 2022
Accepted: 7 September 2022
First Online: 30 September 2022
Declarations
:
: Not applicable.
: The authors declare no conflict of interest regarding all periods of working.
: This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Ethics Committee of the Third Hospital of Hebei Medical University waived written informed consent because of the retrospective nature of our study. The study protocol was approved by the Ethics Committee of the Third Hospital of Hebei Medical University (Hebei, China).