Yuan, Daixiu
Xiao, Dingfu
Gao, Qian
Zeng, Liming
Funding for this research was provided by:
the Project of Science and Technology of Jiangxi Province (20151BBF60008)
the Major Project of Education Department in Hunan (16A096)
Article History
Received: 30 September 2018
Accepted: 24 November 2018
First Online: 29 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 performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.