1. Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston
2. University of Texas School of Public Health, Houston
3. Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston
4. Department of Abdominal Imaging, University of Texas MD Anderson Cancer Center, Houston
5. Department of Thoracic Head and Neck Medical Oncology, University of Texas MD Anderson Cancer Center, Houston
6. Department of Otolaryngology–Head and Neck Surgery, Baylor College of Medicine, Houston, Texas