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Authors
Wang, Na
Yang, Jin
Lyu, Jun
Liu, Qingqing
He, Hairong
Liu, Jie
Li, Li
Ren, Xuequn
Li, Zhendong
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Funding
Funding for this research was provided by:
National Social Science Foundation of China (No.16BGL183)
Clinical Research Award of the First Affiliated Hospital of Xi'an Jiaotong University of China (No. XJTU1AF-CRF-2016-024)
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Article History
Received: 6 January 2020
Accepted: 18 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The study is in accordance with Declaration of Helsinki and approved by the institutional review board of the First Affiliated Hospital of Jinan University. All analyses were based on a free database, thus for this type of study informed consent is not required.
: Not applicable.
: The authors declare that they have no competing interests.
