Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2016YFA0601400)
Key Technology Research and Development Program of Shandong (2017YYSP026)
Qingdao independent innovation major project (16-7-1-11-zdzx-nsh)
Text and Data Mining valid from 2018-05-02
Received: 5 October 2017
Accepted: 18 April 2018
First Online: 2 May 2018
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