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Authors
Zhang, Wei https://orcid.org/0000-0003-0706-523X
Zhou, Xiaochun
Wang, Weikai
Wang, Li
Zhang, Chuan
Wang, Jianqin
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Article History
Received: 1 February 2024
Accepted: 8 August 2024
First Online: 20 September 2024
Declarations
:
: The authors have nothing to declare.
: The present study was conducted according to the guidelines laid down in the Declaration of Helsinki, and all study procedures were approved by the Gansu Provincial Maternity and Child Care Hospital (GSMCH) Institutional Review Board(No. GSFYIRB-2010-09).
: Not applicable.
: Written informed consent was obtained from all of the adult participants with a good level of education. Written informed consent of the subjects with no formal education or less education was obtained from their legal guardians.
