1. Department of Otolaryngology–Head and Neck Surgery, University of Arkansas for Medical Sciences (UAMS), Little Rock, Arkansas, USA
2. Department of Biostatistics, UAMS, Little Rock, Arkansas, USA
3. University HealthSystem Consortium, Chicago, Illinois, USA
4. UAMS Thyroid Center, Little Rock, Arkansas, USA
5. Department of Geriatrics, UAMS, Little Rock, Arkansas, USA