1. Department of Neurology, University of Florida, Gainesville, FL, USA
2. Brain Rehabilitation Research Center, Malcom Randall Veterans Affairs Hospital, Gainesville, FL, USA
3. Department of Communication Sciences and Disorders, University of Florida, Gainesville, FL, USA
4. Department of Neurosurgery, University of Florida, Gainesville, FL, USA
5. Department of Health Professions, Medical University of South Carolina, SC, USA
6. Department of Communication Disorders, University of Florida, Gainesville, FL, USA
7. Department of Otolaryngology, Medical College of Georgia, GA, USA