Funding for this research was provided by:
The Foundation of Education Committee of Jiangxi (GJJ160929)
The National Natural Science Foundation of China (11901110,11961003)
The National Natural Science Foundation of Jiangxi (20192BAB211003, 20192ACBL20004)
Article History
Received: 23 September 2019
Accepted: 16 January 2020
First Online: 12 February 2020
Competing interests
: The authors declare that they have no competing interests regarding the publication of this paper.