Funding for this research was provided by:
the National Natural Foundation of China (81350027)
the Major Team Project of Guangdong Natural Science Foundation (2014A030312012)
the Major Science and Technology Innovation Project of Guangzhou (201508020258)
Received: 18 November 2018
Accepted: 30 January 2019
First Online: 6 February 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. And the present study was approved by the Ethics Committee of the The Third Affiliated Hospital Sun-yat Sen University.All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.
: Not applicable.
: The authors declare that they have no competing interests.
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