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Authors
Liu, Ruyi
Wu, Zhen http://orcid.org/0000-0003-0758-9463
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (61573217)
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License Information
Text and Data Mining valid from 2018-02-12
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More Information
Article History
Received: 20 September 2017
Accepted: 31 January 2018
First Online: 12 February 2018
Competing interests
: The authors declare that they have no competing interests.
