1. From the Departments of Neurology (C.-S.K.), Epidemiology (C.-S.K.), and Neurosurgery (C.-S.K.), Columbia University Irving Medical Center, New York; the Gertrude H. Sergievsky Center (C.-S.K.), New York, NY; School of Medicine (A.R.), Iran University of Medical Sciences, Tehran, Iran; Department of Psychiatry (C.-S.K., C.R.N.), University of Oxford, United Kingdom; School of Psychological Sciences (M.G., A.S.), Macquarie University, Sydney, Australia; and Department of Neurology (N.J.), University...