1. Key Laboratory of Intelligent Computing in Medical Image, Ministry of Education, School of Computer Science and Engineering, Northeastern University, Shenyang, China
2. School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
3. Department of Computing, City University of Hong Kong, Hong Kong, China
4. School of Computer Science and Engineering, Northeastern University, Shenyang, China
5. Software College, Northeastern University, Shenyang, China