Fu, Xin
Gu, Danyu
Zhao, Shengdong
Zhou, Ningtao
Zhang, He
Funding for this research was provided by:
Natural Science Foundation of Hunan Province (CN) (No. 2015JJ2039)
Natural Science Foundation of Hunan Province (No.14JJ3133)
Scientific Research Fund of Hunan Provincial Education Department (16B060)