From the Department of Neurology (B.R., P.G.C.), University of Rochester School of Medicine and Dentistry, NY; Department of Neurology (R.C.), University of Alberta, Edmonton, Canada; Departments of Psychiatry and Neurology (L.M.), Johns Hopkins University, Baltimore, MD; Department of Neurology (J.J.), Baylor University, Houston, TX; Departments of Psychiatry and Neurology (D.W.), University of Pennsylvania, Philadelphia; and Department of Biostatistics (J.E.), Medical University of South Carolina,... (2007-07-24時点)