Qian, Liang
Ding, Jiashan
Shi, Lan
Yu, Qing
Zhu, Jiawei
Huang, Anfeng
Funding for this research was provided by:
Medical Science and Technology Project of Zhejiang Province (2021438691)
Article History
Received: 12 November 2022
Accepted: 17 November 2023
First Online: 4 December 2023
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments. This study was approved by the Ethics Committee of Hangzhou Women’s Hospital (date of approval: May 17, 2022; reference number: 2022 Medical Ethics Review K NO. (05)-01; Hangzhou, China). The Ethics Committee of Hangzhou Women’s Hospital granted a patient consent exemption because this retrospective study was harmless to the patients and contained no personal data.
: Not applicable.
: The authors declare no competing interests.