1. Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas.
2. Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan.
3. Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas.
4. Department of Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
5. Clayman Thyroid Surgery and Thyroid Cancer Center, Thyroid and Parathyroid Institute, Tampa General Hospital, Tampa, Florida.