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Authors
Liu, Liu https://orcid.org/0000-0001-8837-9622
Jia, Menglu
Sun, Ling
Tian, Wenliang
Tang, Ping
Jiang, Zhongxing
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Funding
Funding for this research was provided by:
National Outstanding Youth Science Fund Project of National Natural Science Foundation of China (81600097)
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Article History
Received: 24 January 2021
Accepted: 7 April 2021
First Online: 17 April 2021
Declarations
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: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: We performed the meta-analysis according to the guidelines of the Cochrane Handbook for Systematic Reviews of Interventions. The Research Ethics Committee of the First Affiliated Hospital of Zhengzhou University has confirmed that no ethical approval was required.
: It is not necessary to obtain consent because of the already available data.
