Funding for this research was provided by:
National Natural Science Fund (81100017, 81670016)
Received: 7 February 2017
Accepted: 8 March 2018
First Online: 15 March 2018
Ethics approval and consent to participate
: The experiment was repeated for three times. Experimental protocols were approved by the Ethical Committee for Animal Studies of Second Military Medical University, Shanghai, China.
: Not applicable.
: The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors declare that they have no competing interests.
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