Funding for this research was provided by:
Natural Science Foundation of China (81160307, 81560395)
Jiangxi Science & Technology Pillar Programme and the Science Foundation for Young Scholars of Jiangxi Province (2007GQY1167)
Article History
First Online: 3 November 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Not applicable.
: Not applicable.