Zhang, Chengzhi
Song, Mengyao
Sun, Zhanguo
Fang, Yi
Liu, Yiming
Xu, Kaihao
Han, Xinwei
Jiao, Dechao
Article History
Received: 2 January 2023
Accepted: 20 April 2023
First Online: 9 May 2023
Declarations
:
: This retrospective study was performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committees of the First Affiliated Hospital of Zhengzhou University. The requirement for informed consent was waived by the Ethics Committee of The First Affiliated Hospital of Zhengzhou University because of the retrospective nature of the study.
: Not applicable.
: The authors declare no competing interests.