1. From the Neurology Service (R.M.M., H.S., J.C., M.R.), Hospital Regional Docente de Trujillo, Peru; Postgraduate Institute of Medical Education and Research (V.L.), Chandigarh, India; and UC Gardner Neuroscience Institute and Gardner Family Center for Parkinson's Disease and Movement Disorders (A.J.E.), Department of Neurology, University of Cincinnati, OH.