1. Department of Neuroscience, College of Medicine, College of Dentistry, The Ohio State University, Columbus, Ohio, USA.
2. Chronic Brain Injury Program, College of Dentistry, The Ohio State University, Columbus, Ohio, USA.
3. Institute for Behavioral Medicine Research, Neurological Institute, College of Dentistry, The Ohio State University, Columbus, Ohio, USA.
4. Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, Ohio, USA.