Funding for this research was provided by:
Sichuan Province Science and Technology Support Program (2019YFN0134)
Fundamental Research Funds for the Central Universities (2682018CX73)
Received: 30 December 2019
Accepted: 22 February 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: All animal studies complied with the Guidelines for Use and Care of Experimental Animals and were approved by the Animal Committee of the Institute of Southwest Jiaotong University consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.