1. Department of Otolaryngology‐Head and Neck SurgeryMedStar Georgetown University Hospital Washington District of Columbia
2. Department of Otolaryngology‐Head and Neck SurgeryUniversity of Pittsburgh School of Medicine Pittsburgh Pennsylvania
3. Department of Biostatistics and Biomedical informaticsMedStar Health Research Institute Washington District of Columbia
4. Department of Otolaryngology‐Head and Neck SurgeryGeorgetown University School of Medicine Washington District of Columbia
5. Department of MedicineGeorge Washington University School of Medicine Washington District of Columbia
6. Department of SurgeryWashington DC Veterans Affairs Medical Center Washington District of Columbia