1. From the Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People’s Republic of China (X.H., O.A., X.Z., X.J., Y.Z., H.S.); Hubei Province Key Laboratory of Molecular Imaging, Wuhan, People’s Republic of China (X.H., O.A., X.Z., X.J., Y.Z., H.S.); and Department of Radiology, Wuhan Jinyintan Hospital, Wuhan, People’s Republic of China (Y.F.).