Funding for this research was provided by:
the Natural Science Foundation of China (81160307)
the Natural Science Foundation of China (81560395)
the Jiangxi Science & Technology Pillar Programme and the Science Foundation for Young Scholars of Jiangxi Province (2007GQY1167)
Article History
First Online: 5 September 2018
Compliance with Ethical Standards
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: Author 1: I have no commercial associations that might be a conflict of interest in relation.Author 2: I have no commercial associations that might be a conflict of interest in relation.Corresponding Author: I have no commercial associations that might be a conflict of interest in relation.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: This article does not contain human participants or animals.