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Authors
Jiang, Lingling
Yan, Jianying
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Article History
Received: 27 July 2021
Accepted: 25 March 2022
First Online: 31 March 2022
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and the data used in our research had administrative permissions, the consent waiver was supplied by the institutional ethics committee of Fujian Maternity and Children’s Hospital. This study was legally approved by the institutional ethics committee of Fujian Maternity and Child Health Hospital and conducted in accord with the guidelines of the Declaration of Helsinki, and the rights of all participants were protected.
: Not applicable.
: The authors declare that they have no competing interests.
