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Authors
Gao, Qian
Lv, Naqiang
Dang, Aimin
Li, Zuozhi
Ye, Jue
Zheng, Deyu
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (30770859)
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Article History
Received: 24 March 2018
Revised: 4 July 2018
Accepted: 8 August 2018
First Online: 31 August 2018
Compliance with ethical standards
: The study was conducted in compliance with the Declaration of Helsinki and was approved by the Institutional Ethics Committee of the Fuwai Hospital; all participants signed an informed consent.
: None.
