1. Department of Otolaryngology Head & Neck Surgery, Dwight D Eisenhower Army Medical Center, Fort Gordon, Georgia, USA
2. Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
3. Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
4. Department of Endocrinology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA