Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2015ZX09102016, KY201501005)
Northwest Minzu University (10018703, 1001070204)
Changjiang Scholar Program of Chinese Ministry of Education (IRT_17R88)
Fundamental Research Funds for the Central Universities (31920180122)
Received: 1 August 2019
Accepted: 13 March 2020
First Online: 24 March 2020
Ethics approval and consent to participate
: Animal care was performed according to the Animal Ethics Procedures and Guidelines of the People’s Republic of China, and the experimental protocol was approved by the local committee on animal use and protection, Northwest Minzu University.
: Not applicable.
: The authors declare that they have no competing interests.