1 Saint Louis University Cancer Center, St. Louis, Missouri. Department of Otolaryngology - Head and Neck Surgery, Saint Louis University, St. Louis, Missouri. nosazuwa@slu.edu.
2 Center for Outcomes Research, Saint Louis University, St. Louis, Missouri.
3 Center for Outcomes Research, Saint Louis University, St. Louis, Missouri. Department of Epidemiology, Saint Louis University, St. Louis, Missouri.
4 Oncology Dentistry, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Health System, Los Angeles, California.
5 Department of Community Dentistry & Behavioral Science, College of Dentistry, University of Florida, Gainesville, Florida.
6 Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts.