1. Department of Communication Sciences & Disorders, University of South Carolina, Columbia
2. Department of Psychology, University of South Carolina, Columbia
3. Department of Public Health Sciences, The Medical University of South Carolina, Charleston
4. Department of Neurology, University of South Carolina, Columbia
5. Department of Psychiatry, The Medical University of South Carolina, Charleston
6. Department of Neurology, The Medical University of South Carolina, Charleston
7. Ralph H. Johnson VA Medical Center, Charleston, South Carolina