1. Department of Radiology, Madigan Army Medical Center, 9040 Jackson Ave, Joint Base Lewis-McChord, Tacoma, WA 98431.
2. Department of Radiology, Uniformed Services University, Bethesda, MD.
3. Department of Emergency Medicine, Madigan Army Medical Center, Joint Base Lewis-McChord, Tacoma, WA.
4. Department of Clinical Investigation, Madigan Army Medical Center, Joint Base Lewis-McChord, Tacoma, WA.