1. Department of Otorhinolaryngology–Head and Neck SurgeryMcGovern Medical School at the University of Texas Health Science CenterHoustonTexasUSA
2. Division of Cancer MedicineDepartment of Genitourinary Medical OncologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
3. Department of Head and Neck SurgeryThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA