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Authors
Bao, Feng
Shang, Jianying
Xiang, Chunhua
Li, Guoqiang
Zhi, Xing
Liu, Wen
Wang, Dong
Xian-Yu, Jianbo
Deng, Zhigang
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Funding
Funding for this research was provided by:
research project of the Sichuan Medical association and the health commission of Sichuan province of China (20PJYY1734)
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Article History
Accepted: 10 June 2020
First Online: 20 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of Mianyang Central Hospital approved this study.
: The need for individual consent was waived by the committee.
: Not applicable.
: Not applicable.
