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Authors
Zou, Ruoyao
Xu, Haoya
Shi, Yu
Wang, Jinou
Wang, Shengke
Zhu, Liancheng https://orcid.org/0000-0002-0814-5816
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Funding
Funding for this research was provided by:
Doctoral Start-up Foundation of Liaoning Province (No. 201601133)
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Article History
Received: 29 November 2019
Accepted: 6 May 2020
First Online: 19 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Ethics Committee of Shengjing Hospital of China Medical University (Approval number: 2019PS675K) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The committee waived the need for individual consent because of the retrospective nature of the study.
