Xie, Kaize
Xing, Jun
Wang, Li
Tian, Chunxiang
Chen, Rong
Wang, Ping
Funding for this research was provided by:
National Science Foundation (U1234201)
doctorial innovation fund of Southwest Jiaotong University
Article History
Received: 14 May 2015
Revised: 5 November 2015
Accepted: 8 November 2015
First Online: 26 November 2015