*Department of Neurology, University of Texas Southwestern Medical Center, Dallas, Texas, U.S.A.
†Department of Neurosurgery, Norton Neuroscience Institute, Louisville, Kentucky, U.S.A.
‡Department of Clinical Sciences (Biostatistics), University of Texas Southwestern Medical Center, Dallas, Texas, U.S.A.
Address correspondence and reprint requests to Pradeep N. Modur, MD, MS, Associate Professor, Department of Neurology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-8508; e-mail: [email protected].
Supported in part by National Institutes of Health Clinical and Translational Science Awards Grant UL1 RR024982.
Abstract presented at the American Clinical Neurophysiology Society Annual Meeting, San Antonio, Texas, February 2012.