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Authors
Song, Qingpeng
He, Da
Han, Xiao
Zhang, Ning
Wang, Jinchao
Tian, Wei http://orcid.org/0000-0002-3953-4902
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Funding
Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Z161100000516134)
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Article History
Received: 8 January 2018
Accepted: 13 April 2018
First Online: 21 April 2018
Compliance with ethical standards
: The study was conducted according to the Declaration of Helsinki and approved by the Ethics Committee of Beijing Jishuitan Hospital. All patients gave their informed consent prior to their inclusion in the study.
: The authors declare that they have no conflict of interest.
