1Biophysics Graduate Program, Medical College of Wisconsin, Milwaukee, WI, United States, 2Medical Scientist Training Program, Medical College of Wisconsin, Milwaukee, WI, United States, 3Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI, United States, 4Neuroscience Doctoral Program, Medical College of Wisconsin, Milwaukee, WI, United States, 5Clement J. Zablocki Veteran's Affairs Medical Center, Milwaukee, WI, United States, 6Department of Biomedical Engineering, Marquette University, Milwaukee, WI, United States