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Authors
Kong, Xuhui
Chen, Xin
Ou, Songbang
Wang, Wenjun
Li, Ruiqi
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Article History
First Online: 4 March 2022
Declarations
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: The study protocol and all subjects who participated in this study were approved by the Ethics Committee of Sun Yat-sen Memorial Hospital of Sun Yat-sen University (2020 Reproductive Ethics No. 15), and informed consent was obtained from all patients prior to their participation in accordance with institutional and national guidelines.
: The authors declare no competing interests.
