1 Department of Neurology, Virginia Commonwealth University School of Medicine, 1101 E Marshall St, Richmond, VA, 23298, USA. cameron.millerpatterson@vcuhealth.org.
2 Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine at the University of Pennsylvania, 423 Guardian Dr, Philadelphia, PA, 19104, USA.
3 Department of Neurology, Virginia Commonwealth University School of Medicine, 1101 E Marshall St, Richmond, VA, 23298, USA.