Brown University - Department of Diagnostic Imaging, Central South University - Department of Radiology, Central South University - School of Computer Science and Engineering, Central South University - Department of Radiology, Central South University - Department of Radiology, Mayo Clinic - Department of Radiology, Mayo Clinic - Department of Radiology, Harvard University - Athinoula A. Martinos Center for Biomedical Imaging, Harvard University - Department of Radiology, University of Pennsylvania - Department of Pathology and Laboratory Medicine, Mayo Clinic Hospital - Department of Radiology, University of Pennsylvania - Division of Interventional Radiology, University of Pennsylvania - Division of Interventional Radiology, Central South University - Department of Neurology, Central South University - Department of Radiology and Brown University - Department of Diagnostic Imaging