1. School of Electronic and Information Engineering, Southwest University, Chongqing, China
2. Key Laboratory of Dependable Service Computing, Cyber Physical Society (Chongqing University), China
3. Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
4. Department of Electrical and Computer Engineering, Stony Brook University, NY, USA