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Authors
Song, Kai
Ren, Xu
Mohamed, Adam Khalifa
Liu, Jian
Wang, Fei
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Funding
Funding for this research was provided by:
Southwest jiaotong university (D-CX201839)
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Article History
Received: 7 January 2020
Accepted: 26 August 2020
First Online: 23 September 2020
Competing interests
: The authors declare no competing interests.
