1. School of Computer Science and Technology, Heilongjiang University, Harbin, China
2. Department of Computer Science and Information Technology, La Trobe University, Melbourne, VIC, Australia
3. School of Software, Northwestern Polytechnical University, Shaanxi, China
4. School of Mathematical Science, Heilongjiang University, Harbin, China
5. Center for Frontier Medical Engineering, Chiba University, Chiba, Japan