1. Department of Radiology, Huashan Hospital, Fudan University, Shanghai, PR China
2. Institute of Functional and Molecular Medical Imaging, Fudan University, Shanghai, PR China
3. Department of Radiology, Shanghai Gamma Hospital, Huashan Hospital, Fudan University, Shanghai, PR China
4. Academy for Engineering and Technology, Fudan University, Shanghai, PR China
5. Department of Medical Imaging, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, PR China
6. Department of Radiology, Shanghai Cancer Center, Fudan University, Shanghai, PR China