Funding for this research was provided by:
National Natural Science Foundation of China (81771696)
Text and Data Mining valid from 2019-11-27
Received: 22 March 2019
Accepted: 13 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: All protocols for animal use were approved to be appropriate and humane by the institutional animal care and use committee of Guangzhou Medical University (2012–11).
: The authors declare that they have no competing interests.