1. Department of Otolaryngology–Head & Neck Surgery, Georgetown University Medical Center, MedStar Health, Washington, DC, USA
2. Section Otolaryngology–Head & Neck Surgery, Washington DC Veteran’s Affairs Medical Center, Washington, DC, USA
3. Georgetown University School of Medicine, Washington, DC, USA
4. Department of Surgery, Georgetown University Medical Center, MedStar Health, Washington, DC, USA