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Authors
Zhang, Chen
Zhao, Lei
Zhu, Enjun
Schoenhagen, Paul
Tian, Jie
Lai, Yong-qiang
Ma, Xiaohai
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China ((NSFC-81671647, NSFC-81771787)
Capital Medical Development Research Foundation of China (PXM2020_026272_000009)
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Article History
Received: 24 October 2020
Revised: 4 December 2020
Accepted: 21 December 2020
First Online: 15 January 2021
Compliance with ethical standards
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: The scientific guarantor of this publication is Xiaohai Ma.
: The authors declare that they have no conflict of interest.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because this study was retrospective.
: Institutional Review Board approval was obtained.
: • Retrospective• Diagnostic or prognostic study• Performed at one institution
