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Authors
Liu, Yuanyuan https://orcid.org/0000-0001-6969-0810
Ye, Yaqiong https://orcid.org/0000-0002-0418-8966
Cheng, Xiaodong https://orcid.org/0000-0002-6073-7261
Lu, Weiguo https://orcid.org/0000-0002-8570-7317
Xie, Xing https://orcid.org/0000-0002-1636-4816
Wang, Xinyu https://orcid.org/0000-0002-3173-6390
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Article History
Received: 16 November 2021
Accepted: 16 December 2022
First Online: 2 January 2023
Declarations
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: This study was reviewed and approved by the Ethical Committee of Women's hospital, Zhejiang University School of Medicine (20190074). Informed consent was waived because of the retrospective character of the study. All the study procedures were carried out in accordance with the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
