1. Center for Voice, Airway and Swallowing; Department of Otolaryngology; Augusta Georgia U.S.A
2. College of Dental Medicine; Department of Oral Rehabilitation; Augusta Georgia U.S.A
3. Center for Biotechnology and Genomic Medicine; Augusta Georgia U.S.A
4. Department of Biostatistics and Epidemiology; Georgia Regents University; Augusta Georgia U.S.A