Funding for this research was provided by:
National Natural Science Foundation of China (NO.61763018)
Education Department of Jiangxi Province (No.GJJ190451, GJJ170493)
Special Project and 5G Program of Jiangxi Province (No.20193ABC03A058)
The Program of Qingjiang Excellent Young Talents
Article History
Received: 17 January 2020
Accepted: 20 April 2020
First Online: 6 May 2020
Competing interests
: The authors declare that they have no competing interests.