Funding for this research was provided by:
National Natural Science Foundation of China (81600060)
Received: 8 November 2018
Accepted: 29 April 2019
First Online: 28 May 2019
Ethics approval and concent to participate
: The animal experiments were approved by the Ethics Committee of Animal Experiments of the Second Affiliated Hospital of Chongqing Medical University. All animal experiments were conducted according to relevant national and international guidelines.
: All authors have read and approved the final manuscript for publication.
: The authors declare that there is no conflict of interest associated with this work.
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