From the Department of Pediatrics and Neurology (M.L.Z.), Division of Pediatric Neurology, Children's Hospital of Orange County, Orange, CA; Neurodevelopmental Science Center (B.H.C.), Akron Children's Hospital, OH; Department of Pediatrics, Neurology, and Molecular Genetics and Microbiology (P.B.K.), University of Florida, Gainesville; Department of Pediatrics and Neurology (D.E.M.), Alpert Medical School of Brown University, Providence, RI; Department of Neurology (J.M.), University of Rochester Medical Center (J.M.), NY; The Center for Neurological and Neurodevelopmental Health and the Clinical Research Center (M.M.), Voorhees Township, NJ; Department of Neurology and Pediatrics (A.T.), Louisiana State University, Baton Rouge; and Department of Pediatrics and Neurology (W.T.), Penn State University, Milton S. Hershey Medical Center.