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Authors
Onwuka, Justina Ucheojor https://orcid.org/0000-0002-4236-1758
Okekunle, Akinkunmi Paul https://orcid.org/0000-0003-4825-4934
Olutola, Olaniyi Matthew https://orcid.org/0000-0002-8154-934X
Akpa, Onoja Matthew https://orcid.org/0000-0002-0558-5218
Feng, Rennan
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81872616)
Chinese Government Scholarship (2017BSZ011594, 2015BSZ778)
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Article History
Received: 25 October 2019
Accepted: 24 February 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: Not applicable. The protocol of our meta-analysis was prospectively registered on PROSPERO ().
: Not applicable.
: The authors declare that they have no competing interests.
