Anand N Bosmia1, Luke B Smelser2, Christoph J Griessenauer3. 1. UAB School of Medicine, University of Alabama at Birmingham, 1670 University Boulevard, Birmingham, AL, 35233, USA. anandb@uab.edu. 2. Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA. 3. Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, USA.