Funding for this research was provided by:
National Natural Science Foundation of China (31500820, 81870893)
National Postdoctoral Program for Innovative Talents (BX20160025)
Text and Data Mining valid from 2020-02-04
Received: 18 October 2019
Accepted: 23 January 2020
First Online: 4 February 2020
: The animal procedures involved in this study were approved by the Animal Care and Use Committee of the Fourth Military Medical University.
: Not applicable.
: The authors declare that they have no competing interests.