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Authors
Sun, Xiangyao
Sun, Siyuan
Zhang, Tongtong
Kong, Chao
Wang, Wei
Lu, Shibao https://orcid.org/0000-0002-2389-9683
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Funding
Funding for this research was provided by:
China Scholarship Council (201908110337)
National Natural Science Foundation of China (81672201, 81871794)
Beijing Municipal Commission of Health and Family Planning (PXM2017 026283 000002)
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Article History
Received: 7 September 2019
Accepted: 7 January 2020
First Online: 31 January 2020
Ethics approval and consent to participate
: Ethics Committee of the Xuanwu Hospital Capital Medical University approved this study. The approval number is clinical study review [2018] 083. This research was registered in the Chinese Clinical Trial Registry (ChiCTR1900020513). Written informed consent of each patient was obtained prior to the study. All patients included in the study provided their informed consent at enrolment on the use of patients’ data for research.
: The authors declare that they have no competing interests.
