Funding for this research was provided by:
National Natural Science Foundation of China (81471222)
Taishan Scholars Construction Engineering of Shandong Province (ts20130914)
Received: 28 September 2017
Accepted: 11 February 2018
First Online: 21 February 2018
Ethics approval and consent to participate
: All of the experimental protocols with rats have been approved by the institutional ethics committee of Shandong University.
: Not applicable
: The authors declare that they have no competing interests.
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