Funding for this research was provided by:
National Natural Science Foundation of China (81672855, 31571422, 31771526,31371402, 81672291)
Text and Data Mining valid from 2019-05-02
Received: 29 November 2018
Accepted: 17 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: All the animal experiments were carried out in accordance with the approval of the Animal Research Committee of Shandong University.
: Not applicable.
: The authors declare that they have no competing of interests.
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