1. School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China
2. Hangtian Center Hospital, Beijing, China
3. Centre for Artificial Intelligence and Robotics, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong
4. School of Biomedical Engineering and Imaging Sciences, King's College London, London, U.K.
5. State Key Laboratory of Multimodal Artificial Intelligence Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, China