1. Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
2. Center for the Study of Aphasia Recovery, University of South Carolina, Columbia, SC 29208, USA
3. Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
4. Department of Neurology, Medical University of South Carolina, Charleston, SC 29425, USA
5. Department of Psychology, University of South Carolina, Columbia, SC 29208, USA
6. Department of Neurology, University of South Carolina, Columbia, SC 29208, USA
7. Department of Neurology and Physical Medicine & Rehabilitation, Johns Hopkins School of Medicine, Baltimore, MD 21218, USA
8. Department of Cognitive Science, Johns Hopkins University, Baltimore, MD 21218, USA
9. Department of Cognitive Sciences and Language Science, University of California, Irvine, CA 92697, USA