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Authors
Li, Xiaohua
Luo, Jun
Nie, Chuan
Li, Qingxia
Sun, Xiaofeng
Li, Hongping
Zhang, Yong
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Funding
Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2018A030313605)
Guangzhou Science and Technology Program (201804010090)
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Article History
Received: 19 February 2020
Accepted: 27 August 2020
First Online: 9 September 2020
Ethics approval and consent to participate
: This study was approved by the ethical committee of Shenzhen Baoan Women’s and Children’s Hospital, and complied with the Helsinki Declaration. Informed consents were obtained from all participants included in this study.
: Not applicable.
: The authors declare that they have no competing interests.
