1. Ophthalmology Residency Program, Madigan Army Medical Center , Tacoma, WA 98431, USA
2. Otolaryngology Residency Program, Madigan Army Medical Center , Tacoma, WA 98431, USA
3. Department of Otolaryngology, Madigan Army Medical Center , Tacoma, WA 98431, USA
4. Department of Ophthalmology, Madigan Army Medical Center , Tacoma, WA 98431, USA