1. Department of Communication Science and Disorders, School of Health and Rehabilitation Sciences, University of Pittsburgh, PA
2. Department of Communication Science and Disorders, College of Health Professions and Sciences, University of Central Florida, Orlando, FL
3. Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL
4. Department of Speech Pathology and Audiology, College of Allied Health Professions, University of South Alabama, Mobile, AL