1. From the Department of Radiology, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan Road 2, Guangzhou 510080, PR China (H.J.W., Q.C., Y.H., M.L., Z.W., Y.L., L.O., Y.G.); and Department of MR Research, GE Healthcare, Beijing, PR China (L.Q.).