Yang, Luyu
Zhang, Xiufeng
Zhao, Lijuan
Sun, Yanan
Li, Jiajue
Huang, Renwu
Hu, Liping
Nie, Shengjie
Funding for this research was provided by:
the Natural Science Foundation of China (31660310)
the Science and Technology Planning Projects of Yunnan Province (2014FZ005, 2013FZ066)
the Yunnan Educational Science Foundation program (2014Y180)
Article History
Received: 19 February 2017
Accepted: 4 April 2017
First Online: 22 April 2017
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.