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Authors
Huang, Lei
Mao, Baohong
Li, Jiayue
Nan, Nan
He, Li
Qiu, Jie
Yi, Bin
Liu, Qing https://orcid.org/0000-0002-4193-5625
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Funding
Funding for this research was provided by:
Key Research and Development Program of Gansu province (20YF8WA095)
Youth innovation and entrepreneurship personnel training program of Gansu province (2021LQTD10)
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Article History
Received: 8 March 2022
Accepted: 16 June 2022
First Online: 6 July 2022
Declarations
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: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the human investigation committees at the Gansu Provincial Maternity and Child Care Hospital.
: Informed consent was obtained from all individual participants included in the study.
: All authors agree to publish.
: The authors declare no competing interests.
