1. Department of Medicine and Clinical Investigation, Walter Reed Army Medical Center, Washington, DC
2. Department of Madigan Army Medical Center, Tacoma, WA, Walter Reed Army Medical Center, Washington, DC
3. Department of Uniformed Services University of the Health Sciences, Bethesda, MD
4. Pulmonary and Critical Care Medicine Service, Walter Reed Army Medical Center, Washington, DC 20307-5001
5. Pulmonary and Critical Care Medicine Service, Madigan Army Medical Center, Tacoma, WA 98431-5000
6. Department of Medicine, Walter Reed Army Medical Center, Washington, DC 20307-5001
7. Department of Medicine, 121st General Hospital, Seoul, South Korea, APO, AP 96205