From the G.H. Sergievsky Center and Department of Neurology (R.O., W.A.H.), College of Physicians and Surgeons and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York; New York State Psychiatric Institute (R.O.), New
Neurology | January 24, 2011 | Volume: 76 | Issue: 4 | Pages: 390-396