1. From the Institute for Advanced Application (V.R.A., A.M.M., G.J.M.), Autism and Developmental Medicine Institute (A.M.M.), and Department of Radiology (G.J.M.), Geisinger Health System, 100 N Academy Ave, Danville, PA 17822; and Chester F. Carlson Center for Imaging Science, Rochester Institute of Technology, Rochester, NY (V.R.A., A.M.M., M.H., S.A.B.).