1. Department of Head and Neck Surgery; The University of Texas MD Anderson Cancer Center; Houston Texas
2. Department of Thoracic/Head and Neck Medical Oncology; The University of Texas MD Anderson Cancer Center; Houston Texas
3. Department of Protocol Research; The University of Texas MD Anderson Cancer Center; Houston Texas
4. Head and Neck Center; The University of Texas MD Anderson Cancer Center; Houston Texas
5. Department of Biostatistics; The University of Texas MD Anderson Cancer Center; Houston Texas
6. Department of Radiation Oncology; The University of Texas MD Anderson Cancer Center; Houston Texas