1. Department of Otolaryngology–Head and Neck SurgeryFort Belvoir Community Hospital and Walter Reed National Military Medical Center Fort Belvoir VA
2. Department of Otolaryngology–Head and Neck SurgeryNew York Presbyterian Hospital‒Weill Cornell Medicine New York NY
3. Division of Biostatistics and EpidemiologyDepartment of Healthcare Policy and ResearchWeill Cornell Medicine New York NY
4. Division of Rhinology and Sinus Surgery, Oregon Sinus CenterDepartment of Otolaryngology–Head and Neck SurgeryOregon Health and Science University Portland OR
5. Division of Otolaryngology–Head and Neck SurgeryUniversity of Utah Salt Lake City UT