1 From the Department of Neurology (A.M.G.), Baylor College of Medicine, Houston, TX; and Division of Pediatric Neurology (K.L.L.T.), Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO. agoldman@bcm.edu.
2 From the Department of Neurology (A.M.G.), Baylor College of Medicine, Houston, TX; and Division of Pediatric Neurology (K.L.L.T.), Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO.