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Authors
Li, Xiaoxiao https://orcid.org/0000-0001-7001-3227
Ma, Kai
Song, Shanai
Shen, Fangzhen
Kuang, Tao
Zhu, Yingqian
Liu, Zimin
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Funding
Funding for this research was provided by:
Shandong Provincial Education Department (ZR2015PH013)
the science and technology development fund project of Shinan District, Qingdao (2016-3-043-YY)
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Article History
Received: 16 November 2017
Accepted: 2 May 2018
First Online: 26 May 2018
Compliance with ethical standards
:
: There is no conflict of interest for any of the authors in any aspects of the article.
: The independent Ethics Committee of the Qingdao University approved the study before initiation.
: Informed consent was obtained from all individual patients included in the study.
