Cheng, Hao
Meng, Fanyong
Chen, Ke
Funding for this research was provided by:
the State Key Program of National Natural Science of China (71431006)
the National Natural Science Foundation of China (71571192, 71201089)
the National Natural Science Foundation of China (71501189, 71271217, 51204100)
the Postdoctoral Science Special Foundation of China (2015T80901)
the Mobile E-business Collaborative Innovation Center 2011 of Hunan Province in China