Wang, Congjie
Fang, Jian
Jiang, Tingshu
Hu, Shanliang
Wang, Ping
Liu, Xiuli
Zou, Shenchun
Yang, Jun
Article History
Received: 10 November 2023
Accepted: 27 February 2024
First Online: 5 March 2024
Declarations
:
: The study was approved by the Ethics Committee of Yantai yuhuangding hospital. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was waived due to the retrospective nature of this study.
: Not applicable.
: The authors declare that they have no competing interests.