Funding for this research was provided by:
Scientific Start Foundation of LongYan University (LB2014001)
Natural Science Foundation of Fujian Province (2018J01502)
Article History
Received: 21 August 2019
Accepted: 29 October 2019
First Online: 5 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.