1. Department of Head and Neck Surgery University of Texas MD Anderson Cancer Center Houston Texas USA
2. Department of Biostatistics University of Texas MD Anderson Cancer Center Houston Texas USA
3. Department of Surgery Siriraj Hospital, Mahidol University Bangkok Thailand
4. Department of Surgical Oncology, Division of Endocrine Surgery University of Texas MD Anderson Cancer Center Houston Texas USA
5. Department of Thoracic Surgical Oncology University of Texas MD Anderson Cancer Center Houston Texas USA
6. Department of Medicine, Division of Endocrine Neoplasia University of Texas MD Anderson Cancer Center Houston Texas USA
7. Department of Otolaryngology–Head & Neck Surgery Cleveland Clinic Cleveland Ohio USA