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Authors
Ling, Yuwei https://orcid.org/0000-0001-8487-3738
Cao, Qi
Liu, Yihan
Zhao, Jing
Zhao, Ye
Li, Kaifu
Chen, Zhiqiang
Du, Xiaoyan
Huo, Xueyun
Kang, Hua https://orcid.org/0000-0002-1230-7961
Chen, Zhenwen
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Funding
Funding for this research was provided by:
Beijing Municipal Health System Academic Leaders of High-level Health Personnel Program, P.R. China (2011-2-28)
Beijing Breast Disease Prevention and Treatment Society, Cancer Prevention and Treatment Research Projects, P.R. China (2015-8-8)
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Article History
Received: 24 March 2020
Accepted: 1 October 2020
First Online: 12 October 2020
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was waived because of the nature of retrospective study, and the patient data were kept confidentially. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
