1. From the Center for Computer Vision and Imaging Biomarkers, 924 Westwood Blvd, Los Angeles, CA 90024 (Y.C., W.Y., M.B.N., P.T., J.G.G., G.H.J.K., M.S.B.); and Department of Radiology, University of California–Los Angeles, Los Angeles, Calif (Y.C., W.Y., M.B.N., P.T., J.G.G., S.S.R., D.R.E., G.H.J.K., M.S.B.).