Funding for this research was provided by:
National Natural Science Foundation of China (61675142, 61875143)
Natural Science Foundation of Jiangsu Province (BK20180042)
University Natural Science Research Project of Anhui Province (17KJA480004)
Priority Academic Program (PAPD) of Jiangsu Higher Education Institutions (Not Applicable)
Text and Data Mining valid from 2019-02-28
Received: 13 December 2018
Accepted: 13 February 2019
First Online: 28 February 2019
: The authors declare that they have no competing interests.
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