1. School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China
2. Department of Surgery and the Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
3. Shenzhen Cornerstone Technology Co., Ltd., Shenzhen, China
4. Department of Surgery, Chow Yuk Ho Technology Centre for Innovative Medicine, Li Ka Shing Institute of Health Science, and Multi-Scale Medical Robotics Centre, The Chinese University of Hong Kong, Hong Kong, China