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Authors
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Gao, Ya
Liu, Ming
Shi, Shuzhen
Sun, Yue
Li, Muyang
Zhang, Mei
Sheng, Zhijuan
Zhang, Junhua
Tian, Jinhui https://orcid.org/0000-0002-0054-2454
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Article History
Received: 4 October 2019
Accepted: 3 December 2019
First Online: 1 January 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: Ethical approval and patient consent are not required since this is an overview based on published studies.
: All analyses were based on previously published studies; thus, no informed consent is required.
