Affiliation: | 1. Department of Neurosurgery, Neurology and Psychiatry, University of Pennsylvania, Philadelphia, PA, USA;2. Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA;3. Division of Neurosurgery, Robert Wood Johnson University Hospital University of Medicine and Dentistry of New Jersey, New Brunswick, NJ, USA;4. Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA |