1 From the Department of Neurology (K.A.D.) and Center for Neuroengineering and Therapeutics (K.A.D.), University of Pennsylvania, Philadelphia; Vanderbilt University Institute of Imaging Science (V.L.M.), Department of Radiology and Radiological Sciences, Department of Neurological Surgery (V.L.M.), and Department of Neurology, Vanderbilt University Medical Center; and Department of Biomedical Engineering, Vanderbilt University, Nashville. katedavis@pennmedicine.upenn.edu.
2 From the Department of Neurology (K.A.D.) and Center for Neuroengineering and Therapeutics (K.A.D.), University of Pennsylvania, Philadelphia; Vanderbilt University Institute of Imaging Science (V.L.M.), Department of Radiology and Radiological Sciences, Department of Neurological Surgery (V.L.M.), and Department of Neurology, Vanderbilt University Medical Center; and Department of Biomedical Engineering, Vanderbilt University, Nashville.