She, Lian-bing
Sun, Xin
Duan, Yu
Funding for this research was provided by:
Natural Science Foundation of Education of Guizhou Province (No. KY[2016]103, No.KY[2016]281, KY[2017]297)
the Science and Technology Foundation of Guizhou Province (No. LH[2016]7054, No. LH[2015]7595)
Article History
Received: 14 October 2017
Accepted: 5 January 2018
First Online: 18 January 2018
Competing interests
: The authors declare that they have no competing interests.