Funding for this research was provided by:
National Natural Science Foundation of China (81271315)
Science and Technology Project Foundation of Guangdong Province (2016A020215098)
Key Project of Clinical Research of Southern Medical University (LC2016ZD024).)
Received: 10 April 2018
Accepted: 13 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: All experimental procedures and animal care were approved by the Southern Medical University Ethics Committee and were conducted in accordance with the policy of the National Institutes of Health on the care and use of animals.
: Not applicable.
: The authors declare that they have no competing interests.
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