An, Youzhi
Li, Lili
Lin, Xuelin
Zhang, Zhen
Zheng, Zhaoyun
Wang, Chengjiang
Article History
Received: 16 May 2023
Accepted: 13 July 2023
First Online: 22 July 2023
Declarations
:
: All methods were performed in accordance with the relevant guidelines and regulations. The study was approved by the Institutional Review Board of The Second Hospital of Liaocheng Affiliated with Shandong First Medical University before data collection and analysis. The Institutional Review Board of The Second Hospital of Liaocheng Affiliated with Shandong First Medical University waived off the requirement for written informed consent considering the retrospective nature of this study.
: Not applicable.
: The authors declare no competing financial interests.