1. Department of Otolaryngology‐Head and Neck SurgerySt. Louis University School of Medicine St. Louis Missouri
2. St. Louis University Cancer Center St. Louis Missouri
3. Department or Epidemiology and BiostatisticsSt. Louis University College for Public Health and Social Justice St. Louis Missouri
4. St. Louis University Center for Outcomes Research (SLUCOR) St. Louis Missouri
5. Department of Internal MedicineSt. Louis University School of Medicine St. Louis Missouri
6. Department of MedicineWashington University School of Medicine St. Louis Missouri
7. Department of Otolaryngology, Massachusetts Eye and Ear InfirmaryHarvard Medical School Boston Massachusetts