1. Department of Otolaryngology, Tripler Army Medical Center 1 Jarrett White Rd HI, 96859
2. San Antonio Uniformed Services Health Education Consortium Fort Sam Houston Texas
3. Department of Head and Neck Oncological Surgery, Madigan Army Medical Center, Department of Otolaryngology, 9040 Jackson Ave, Tacoma, WA 98431University of Michigan Ann Arbor Michigan
4. Uniformed Services University of the Health Sciences Bethesda Maryland
5. Greenville Voice CenterGreenville ENT Associates, Greenville Health System Greenville South Carolina U.S.A.