Funding for this research was provided by:
National Natural Science Foundation of China (31572577)
Received: 26 April 2020
Revised: 1 July 2020
Accepted: 21 July 2020
First Online: 30 July 2020
Ethics approval and consent to participate
: All animal experiments in this study were approved by the Animal Ethics Committee of Northwest A&F University.
: Not applicable.
: The authors indicate no potential conflicts of interest.