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Authors
Zheng, Muzi
He, Chunguang
He, Qiang
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Funding
Funding for this research was provided by:
Directorate for Engineering (CBET0854332)
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Article History
Accepted: 16 September 2015
First Online: 25 September 2015
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
