1. Department of Radiology, The First Hospital of Jilin University, Changchun, China
2. College of Electronic Science and Engineering, Jilin University, Changchun, China
3. Research Center for Medical Image Computing, Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
4. Union Medical Imaging Research Institute, Shenzhen, China