Funding for this research was provided by:
Ningbo Medical Science and Technology Project (2013A27)
Received: 4 March 2022
Accepted: 13 June 2022
First Online: 29 June 2022
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Medical Ethics Committee of Yuyao People's Hospital in Zhejiang Province (Approval number: 2021-08-001; Date: August 19, 2021). Informed consent was waived due to the retrospective design.
: Not applicable.
: The authors declare that they have no competing interests.