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Authors
Yan, Pijun https://orcid.org/0000-0001-6692-2401
Tang, Qian
Wu, Yuru
Wan, Qin
Zhang, Zhihong
Xu, Yong
Zhu, Jianhua
Miao, Ying
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Funding
Funding for this research was provided by:
grants from the Ministry Science and Technology of China (2016YFC0901200)
grants from the Ministry Science and Technology of China (2016YFC0901205)
research grants from Health and Family Planning Commission of Sichuan Province (16129)
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Article History
Received: 18 February 2021
Accepted: 1 September 2021
First Online: 15 September 2021
Declarations
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: The study was approved by the ethics committee of the Affiliated Hospital of Southwest Medical University. Written informed consent was obtained before the data collection and analysis.
: Not applicable.
: The authors declare that they have no competing interests.
