Northeastern University - College of Medicine and Biomedical Information Engineering, Beihang University (BUAA), Jinan University - Department of Radiology, Xidian University - Engineering Research Center of Molecular and Neuro Imaging, University of Texas at El Paso, Chinese Academy of Sciences (CAS) - Beijing Key Laboratory of Molecular Imaging, Xidian University - Engineering Research Center of Molecular and Neuro Imaging, Kunming Medical University - Department of Radiology, Northeastern University - College of Medicine and Biomedical Information Engineering, Kunming Medical University - Department of Radiology, Zhengzhou University - Department of Radiology, Jinan University - Department of Radiology and Beihang University (BUAA)