Li, Xiaoru http://orcid.org/0000-0002-3829-3414
Li, Hongyan
Song, Guojun
Peng, Zhi
Ma, Lichun
Meng, Chengzhen
Liu, Yang
Ding, Kaidi
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2014EMQ002)
China Postdoctoral Science Foundation (2017M612196)
Article History
Received: 22 August 2018
Accepted: 4 October 2018
First Online: 19 October 2018
Competing Interests
: The authors declare that they have no competing interest.
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