1 Department of Neurology (M.K., M.B., E.E.U.), University of Alabama at Birmingham (UAB); Department of Pediatrics (M.A.L., M.B.), Children's of Alabama | UAB; HudsonAlpha Institute for Biotechnology (K.B., G.S.B., G.M.C.), Huntsville, AL; and Department of Genetics (B.R.K., A.C.E.H.), UAB.