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Authors
Sun, Mei-Yu
Han, Xu
Wang, Meng-Yao
Ning, Dian-Xiu
Xu, Bin
Xie, Li-Zhi
Yu, Sheng-Bo
Sui, Hong-Jin http://orcid.org/0000-0002-3577-4415
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (31571234, 31871213)
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Article History
Received: 26 June 2019
Accepted: 10 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: The Ethics Committee of the First Affiliated Hospital of Dalian Medical University approved this retrospective study. Informed consent was waived due to the retrospective nature of this study.
: Not applicable.
: The authors declare that they have no competing interests.
