Funding for this research was provided by:
the Key Project of Youth Science Foundation of Jiangxi Province (20171ACB21025)
the National Natural Science Foundation of China (31460522 and 31660578)
Article History
Received: 26 October 2017
Accepted: 16 January 2018
First Online: 3 February 2018
Compliance with ethical standards
:
: Yong Zhou declares that he has no conflict of interest. Lifang Hu declares that she has no conflict of interest. Lunwei Jiang declares that he has no conflict of interest. Shiqiang Liu declares that he has no conflict of interest.
: This article does not contain any studies with human subjects or animals performed by any of the authors.