1. AI Lab, Deepwise Healthcare, Beijing, China
2. Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA
3. Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Hangzhou, China
4. Department of Information and Communication Engineering, Xiamen University, Xiamen, Fujian, China
5. Department of Computer Science, The University of Hong Kong, Hong Kong