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Authors
Zhou, Hang
Lu, Yiming
Pan, Binyu
Zhao, Qihua
Ma, Zheng Feei
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Article History
Received: 17 December 2019
Accepted: 25 March 2020
First Online: 6 April 2020
Compliance with Ethical Standards
: All procedures performed in the retrospective study involving human participants were in accordance with the ethical standards of the Ethics Committee of the Northern Jiangsu People’s Hospital (reference no. 2018063) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflict of interest.
