1. Department of Electronic Engineering, Faculty of Engineering, The Chinese University of Hong Kong (CUHK), Hong Kong
2. College of Computer Science and Electronic Engineering, Hunan University, Changsha 410012, China
3. Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, PA 15260, USA
4. Department of Biomedical Engineering, National University of Singapore (NUS), Singapore 119077, Singapore
5. Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong (CUHK), Hong Kong
6. Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
7. NUS (Suzhou) Research Institute, Suzhou 215000, China