Xu, Jun
Gu, Weizhen
Li, Chaoyan
Li, Xiao
Xing, Guozhen
Li, Yan
Song, Yanhui
Zheng, Wenming
Funding for this research was provided by:
National Natural Science Foundation of China (31201332)
Foundation of Henan Educational Committee (12B230007)
Project of the Henan Province (112102310324, 132102310033)