Funding for this research was provided by:
National Natural Science Foundation of China (81260416)
Youth Innovation Promotion Association of the Chinese Academy of Sciences (2015352)
Received: 21 October 2017
Accepted: 29 January 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: The animal experiments conducted in this study were approved by the Ethics Committee of the Yunnan Institute of Endemic Diseases Control and Prevention, China (approval number 2015-01).
: The authors declare that they have no competing interests.
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