1. Department of Radiation Oncology, Washington University School of Medicine in Saint Louis, St Louis, Missouri
2. Medical student at Washington University School of Medicine in Saint Louis, St. Louis, Missouri
3. Department of Radiation Oncology, George Washington University School of Medicine and Health Sciences, Washington, DC
4. Division of Hematology and Oncology, Department of Internal Medicine, Washington University School of Medicine in Saint Louis, St Louis, Missouri
5. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine in Saint Louis, St Louis, Missouri