1. Communication Sciences Program, Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, USA
2. Brain Injury Association of Pennsylvania, Chambersburg, PA, USA
3. Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, OH, USA
4. Department of Communication Sciences and Disorders, University of Maine, Orono, ME, USA
5. Department of Speech and Hearing Sciences, The Ohio State University, Columbus, OH, USA