Sun, Xigui
Gao, Kewei
Pang, Xiaolu
Yang, Huisheng
Volinsky, Alex A.
Funding for this research was provided by:
National Nature Science Foundation of China (51271022)
Fok Ying Tung Education Foundation (132001)
Fundamental Research Funds for the Central Universities (FRF-TP-14-008A2)
National Science Foundation (IRES 1358088)
Article History
Received: 3 July 2015
Accepted: 20 October 2015
First Online: 27 October 2015