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Authors
Zhao, Guoqiang
Li, Yanru
Wang, Xiaoyi
Ding, Xiu
Wang, Chunyan
Xu, Wen
Han, Demin https://orcid.org/0000-0001-7552-7649
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Funding
Funding for this research was provided by:
National Key Research & Development Program of China (2017YFC0112500)
Beijing Municipal Administration of Hospitals’ Mission Plan (SML20150201)
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Article History
Received: 11 March 2018
Accepted: 19 April 2018
First Online: 25 April 2018
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 institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants’ guardians included in the study.
