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Authors
Xiong, Peisheng https://orcid.org/0000-0002-6686-0113
Liu, Zhixi https://orcid.org/0000-0002-2425-1168
Xiong, Meijuan
Xie, Feng
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Article History
Received: 9 July 2020
Revised: 24 October 2020
Accepted: 16 November 2020
First Online: 8 December 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was not necessary for this meta-analysis, as only identified pooled data from previously approved individual studies was used.
