1. From the Department of Neurology (A.M.P.), Columbia University, New York City; Departments of Pediatrics and Neurology & Neurosurgery (M.O.), McGill University, Montreal, Quebec, Canada; Departments of Neurology (S.W.R.), Biomedical Engineering (S.W.R.), and Obstetrics and Gynecology (S.S.O.), Vanderbilt University Medical Center, Nashville, TN; Northern Michigan Neurology and Munson Medical Center (D.K.D.), Traverse City, MI; Department of Neurology (J.F.), NYU Grossman School of Medicine, New...