Funding for this research was provided by:
National Natural Science Foundation of China (31900852)
Natural Science Foundation of Jiangxi Province (2018BAB215012;20192ACB21026)
Article History
Received: 25 October 2019
Accepted: 2 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.