Affiliation: | 1. College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas;2. Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas;3. Department of Otolaryngology – Head and Neck Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas;4. UAMS Thyroid Center, University of Arkansas for Medical Sciences, Little Rock, Arkansas;5. Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, Arkansas |