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Authors
Chao, Xue
Chen, Kai
Zeng, Jiayi
Bi, Zhuofei
Guo, Mingyan
Chen, Yi
Yao, Yandan
Wu, Wei
Liang, Shi
Nie, Yan
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Funding
Funding for this research was provided by:
Natural Science Foundation of China (81502301)
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Article History
Received: 25 October 2018
Accepted: 5 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: This study involved the use of existing collections of data or records that contain only non-identifiable data. Thus, ethics approval is not needed. Written, informed consent was provided by all participants in each of the studies included in this individual patient meta-analysis.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
