1. Department of Radiation Oncology Washington University School of Medicine St. Louis Missouri
2. Brown School Washington University in St. Louis St. Louis Missouri
3. Siteman Cancer Center Washington University in St Louis St. Louis Missouri
4. Department of Psychiatry and Behavioral Sciences Duke University Medical Center Durham North Carolina
5. Oregon Clinic Portland Oregon
6. Department of Head and Neck Surgery and Communication Sciences Duke University School of Medicine Durham North Carolina
7. Duke Cancer Institute Durham North Carolina
8. Department of Population Health Sciences Duke University School of Medicine Durham North Carolina