Ameer Al-Wafai1, Mervat Wahba1, Vinodh T Doss1, Lucas Elijovich1. 1. Departments of Neurology (AA-W, MW, LE) and Neurosurgery (VTD, LE), University of Tennessee Health Sciences Center; and Semmes-Murphey Neurologic and Spine Institute (VTD, LE), Memphis, TN.