1. Department of Internal Medicine; University of South Florida Morsani College of Medicine; Tampa Florida USA
2. Department of Digestive Diseases and Nutrition; University of South Florida Morsani College of Medicine; Tampa Florida USA
3. Department of Pathology; University of South Florida Morsani College of Medicine; Tampa Florida USA
4. Joy Culverhouse Center for Swallowing Disorders; University of South Florida Morsani College of Medicine; Tampa Florida USA