1. Division of Head and Neck Surgical Oncology, Department of Surgery Levine Cancer Institute, Atrium Health Charlotte North Carolina USA
2. Department of Biostatistics Levine Cancer Institute, Atrium Health Charlotte North Carolina USA
3. Department of Radiation Oncology Levine Cancer Institute, Atrium Health Charlotte North Carolina USA
4. Department of Medical Oncology Levine Cancer Institute, Atrium Health Charlotte North Carolina USA