Funding for this research was provided by:
National Natural Science Foundation of China (81773807)
Text and Data Mining valid from 2020-02-13
Received: 22 November 2019
Accepted: 5 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: The experimental protocol was approved by the University Ethics Committee and conformed to the “Principles of Laboratory Animal Care” (NIH publication no. 85-23, revised 1985).
: Not applicable.
: The authors declare that they have no competing interests.