Funding for this research was provided by:
National Natural Science Foundation of China (11671345)
Natural Science Foundation of Xinjiang Province (2017D01C052)
Key Laboratory Project of Xinjiang Province (2017D04030)
Excellent Doctor Innovation Program of Xinjiang University (XJUBSCX-2013005)
Article History
Received: 15 March 2018
Accepted: 26 June 2018
First Online: 22 August 2018
Competing interests
: The authors declare that they have no competing interests.