1. Department of Surgery, Uniformed Services University of the Health Sciences , Bethesda, MD 20814, USA
2. Department of Otolaryngology, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
3. Department of Defense, Hearing Center of Excellence , San Antonio, TX 78240, USA
4. zCore Business Solutions, Inc. , Round Rock, TX 78681, USA
5. Department of Defense Medical Examination Review Board , USAFA, CO 80840-2200, USA