Funding for this research was provided by:
China Gansu Province Science and Technology (18JR3RA004, 1604WKCA003)
Received: 23 November 2020
Accepted: 11 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: The current study was ethically approved by the committee of the School of life science, Lanzhou University, Lanzhou, Gansu, China.
: Not applicable.
: The authors declared that they have no conflict of interest.