1. Division of Neurology (AG), Le Bonheur Children's Hospital, Memphis, TN; Division of Neurology (AG, PSH, MKS, JK, SLL, SW, ADH), Cincinnati Children's Hospital; Department of Pediatrics (PSH, MKS, JK, SWP, ADH), University of Cincinnati College of Medicine; and Division of Behavioral Medicine and Clinical Psychology (SWP), Cincinnati Children's Hospital Medical Center, OH.