1. From the Departments of Radiology (L.B.C., F.G., G.C., C.L., Y.B.X., H.Y.) and Psychiatry (Y.C.C., M.X., H.N.W.), Xijing Hospital, Fourth Military Medical University, No. 127 W Changle Road, Xi’an, Shaanxi 710032, China; and School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China (L.L., W.Q., J.B.S.).