[Zeng, Shan; Chen, Ling] Wuhan Polytech Univ, Coll Math & Comp Sci, Wuhan 430023, Hubei, Peoples R China.
[Feng, David; Wang, Zhiyong] Univ Sydney, Sch Informat Technol, Sydney, NSW 2006, Australia.
[Feng, David; Wang, Zhiyong] Univ Sydney, BMIT Res Grp, Sydney, NSW 2006, Australia.
[Huang, Rui] Chinese Univ Hong Kong, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China.
[Feng, David] Shanghai Jiao Tong Univ, Med X Res Inst, Shanghai 200240, Peoples R China.