Hong, Yongping
Chen, Xingxing
Li, Guofeng
Article History
Received: 12 August 2022
Accepted: 31 October 2022
First Online: 7 November 2022
Declarations
:
: The study was approved by institutional Review Board of The First People’s Hospital of Xiaoshan District. The need for informed consent was waived by the ethics committee/Institutional Review Board of The First People’s Hospital of Xiaoshan District, because of the retrospective nature of the study. All methods were performed in accordance with the relevant guidelines and regulations (Declaration of Helsinki).
: Not applicable.
: The authors declare that they have no competing interests.