1. Department of Hematology and Oncology; Lineberger Comprehensive Cancer Center at the University of North Carolina; Chapel Hill North Carolina
2. Lineberger Cancer Center at the University of North Carolina; Chapel Hill North Carolina
3. Head and Neck Surgical Oncology; Washington University School of Medicine; St Louis Missouri
4. Department of Radiation Oncology; Lineberger Comprehensive Cancer Center at the University of North Carolina; Chapel Hill North Carolina
5. Division of Head and Neck Surgery, Department of Otolaryngology; Lineberger Comprehensive Cancer Center at the University of North Carolina; Chapel Hill North Carolina
6. West Cancer Center; Germantown Tennessee