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Authors
Xi, Ziwei
Zhou, Yujie
Zhao, Yingxin
Liu, Xiaoli
Liang, Jing
Chai, Meng
Yu, Ying
Liu, Wei
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Funding
Funding for this research was provided by:
China youth clinical research fund (2017-CCA-VG-003)
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Article History
First Online: 5 March 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 the institution (ethics committee of Beijing Anzhen Hospital, no. 2019006X)) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
