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Authors
Li, Chunyan
Zhang, Jianfang
Li, Jia
Qiao, Guyuan
Zhan, Ying
Xu, Ying
Yang, Hong
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Funding
Funding for this research was provided by:
Key Research and Development Program of Shaanxi Province (2019ZDLSF01-06)
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Article History
Accepted: 6 March 2021
First Online: 7 April 2021
Declarations
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: HY conceived and designed the study. CL drafted the manuscript. CL, JZ and JL participated in collecting data. GQ and YZ performed the data analysis. CL, and YX revised the manuscript. All authors have read and approved the final article.
: The study was supported by the Key Research and Development Program of Shaanxi Province (2019ZDLSF01-06).
: Chunyan Li, Jianfang Zhang, Jia Li, Guyuan Qiao, Ying Zhan, Ying Xu, and Hong Yang declare there are no conflicts of interest with regard to the publication of this paper.
: Ethics approval for the study was obtained from Chinese PLA General Hospital Medical Ethics Committee (S2016-120-02).
: The datasets generated and/or analysed during the current study are available from the corresponding author on reasonable request.
