1. MGH Institute of Health Professions, Boston, MA, USA
2. Johns Hopkins University School of Medicine, Baltimore, MD, USA
3. Georgetown University, Washington, D.C., USA
4. Department of Neurology, Georgetown University Medical Center
5. Center for Aphasia Research and Rehabilitation, Georgetown University Medical Center
6. Research Division, MedStar National Rehabilitation Hospital
7. Center for Brain Plasticity and Recovery, Georgetown University Medical Center
8. Department of Rehabilitation Medicine, Georgetown University