1. Swallowing Systems Core; University of Florida; Gainesville Florida USA
2. Department of Speech, Language and Hearing Sciences, College of Public Health and Health Professions; University of Florida; P.O. Box 117420, Gainesville Florida, 32610 USA
3. Department of Neurology; University of Florida; Gainesville Florida USA
4. Department of Anesthesiology; University of Florida; Gainesville Florida USA
5. Joy McCann Culverhouse Center for Swallowing Disorders; University of South Florida; Tampa Florida USA
6. Department of Neurology; University of South Florida; Tampa Florida USA