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Authors
Hong, Miao
Liang, Feng
Zheng, Zheng
Chen, Huimin
Guo, Yi
Li, Kuanrong
Liu, Xihong
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Funding
Funding for this research was provided by:
Guangzhou Women and Children's Medical Center (3001153-04)
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Article History
Received: 28 January 2022
Accepted: 16 May 2022
First Online: 20 May 2022
Declarations
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: Research methods involving human data were performed in accordance with the Declaration of Helsinki and have been approved by the Ethics Committee of Guangzhou Women and Children’s Medical Center. Given all maternal and neonatal data were extracted from the hospital EMR system by a unique identifier with no participant involved in the design, the Ethics Committee of Guangzhou Women and Children’s Medical Center has waived the requirement of informed consent for this study.
: Not applicable.
: The authors declare that they have no competing interests.
