Funding for this research was provided by:
National Natural Science Foundation of China (81760334)
Natural Science Youth Foundation of Qinghai Province, China (2015-ZJ-941Q)
Received: 17 October 2017
Accepted: 8 February 2018
First Online: 17 February 2018
: All animal experiments were approved by the Ethical Committee of Qinghai Provincial People’s Hospital.
: Not applicable.
: The authors declare that they have no competing interests.
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