1. National and Local Joint Engineering Laboratory of Computer Aided Design, School of Software Engineering, Dalian University, Dalian, China
2. Department of Computing, The Hong Kong Polytechnic University, Hong Kong, China
3. Department of Radiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
4. School of Cyber Science and Technology, Sun Yat-Sen University, Shenzhen, China