1. School of Computer Science, Fudan University, Shanghai, China.
2. School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China.
3. Institute of Automation, Chinese Academy of Sciences, Beijing, China.
4. School of Computer Science, Xiangtan University, Xiangtan, China.
5. Peking University People's Hospital, Beijing, China.
6. Baidu, Inc., Beijing, China.
7. School of Medical Imaging and Examination, Xiangnan University, Chenzhou, China.