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Authors
Wang, Hui
Meng, Zhao-yang
Li, Song-guo
Wang, Jing-jing
Sun, Jiao
Li, Hong-yang http://orcid.org/0000-0002-2050-2345
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Funding
Funding for this research was provided by:
Start Funding of Beijing Friendship Hospital (yyqdkt2016-8)
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Article History
Received: 10 July 2018
Accepted: 10 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the local ethics committee of Beijing Friendship Hospital and with the 2013 Helsinki declaration. Written informed consent was obtained from the participants in this study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
