Liu, Shengjun
Xiao, Jintao
Hu, Ling
Liu, Xinru
Funding for this research was provided by:
the Natural Science Foundation of China (61572527, 61572527)
the Natural Science Foundation of China (61572527, 61602524)
Article History
First Online: 2 May 2018
Compliance with ethical standards
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: All authors declares that they have no conflict of interest.