1. Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, SAR, China
2. School of Electrical Engineering, Shanghai University of Electric Power, Shanghai, China
3. Department of Electronic and Electrical Engineering, University of Bath, Bath, U.K
4. Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
5. Tsinghua Shenzhen International Graduate School, Shenzhen, China