Funding for this research was provided by:
National Natural Science Foundation of China (11961066, 11771373)
the Scientific Research Programmes of Colleges in Xinjiang (XJEDU2018I001, XJUBSCX-201925)
Article History
Received: 14 April 2020
Accepted: 29 June 2020
First Online: 4 September 2020
Competing interests
: The authors declare that they have no competing interests.