1. Department of Otolaryngology – Head & Neck Surgery, San Antonio Uniformed Services Health Education Consortium, San Antonio, TX, USA
2. Uniformed Services University of the Health Sciences, Bethesda, MD, USA
3. Department of Otolaryngology – Head & Neck Surgery, Walter Reed National Military Medical Center, Bethesda, MD, USA
4. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, USA