Funding for this research was provided by:
the National Science Foundation of China (31530074, 81372471, 81502674)
the National Science Foundation of Liaoning Province (2015020655)
Text and Data Mining valid from 2018-07-18
Received: 13 October 2017
Accepted: 18 May 2018
First Online: 18 July 2018
Ethics approval and consent to participate
: All animal experiments were conducted at Dalian Medical University (Dalian, China), complying with the national guidelines for the care and use of laboratory animals and were approved by the experimental animal ethics committee at Dalian Medical University.
: The authors have declared that no competing interests exist.
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