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Authors
Hu, Libao
Gao, Jian https://orcid.org/0000-0003-3710-2425
Hong, Nan
Liu, Huixin
Chen, Chen
Zhi, Xin
Sui, Xizhao
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Article History
Received: 13 October 2020
Revised: 17 December 2020
Accepted: 10 February 2021
First Online: 5 March 2021
Declarations
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: The scientific guarantor of this publication is Jian Gao.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Huixin Liu (Department of Clinical Epidemiology, Peking University People’s Hospital, Beijing, China), PhD, provided statistical advice for this study, and she is one of the authors.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• observational• performed at one institution
