Tang, Meiqin
Wei, Xinjiang
Li, Wuquan
Funding for this research was provided by:
Natural Science Foundation of Shandong Grants (2015ZRB01121)
National Natural Science Foundation of China under Grant (61374108, 61573179)
the Young Taishan Scholars Program of Shandong Province of China under Grant (tsqn20161043)
Text and Data Mining valid from 2019-02-06
Article History
First Online: 6 February 2019
Compliance with ethical standards
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: The authors declare that they have no competing interests.