1. Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China
2. Research Centre for Electric Vehicles and Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China
3. Department of Surgery, Chow Yuk Ho Technology Centre for Innovative Medicine, Li Ka Shing Institute of Health Science and Multi-Scale Medical Robotics Centre Ltd., The Chinese University of Hong Kong, Hong Kong, China
4. School of Electrical and Data Engineering, The University of Technology Sydney, Ultimo, NSW, Australia