1. School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China
2. Department of Radiation Oncology, Cancer Center West China Hospital, Sichuan University, Chengdu, China
3. Centre for Perceptual and Interactive Intelligence (CPII), Hong Kong, China
4. SenseTime Research, Shanghai, China
5. Sichuan Cancer Hospital, University of Electronic Science and Technology of China, Chengdu, China