1. Department of Otolaryngology–Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
2. Division of Otolaryngology–Head and Neck Surgery, John H. Stroger Hospital of Cook County, Chicago, Illinois
3. Department of Otolaryngology–Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois2Division of Otolaryngology–Head and Neck Surgery, John H. Stroger Hospital of Cook County, Chicago, Illinois