1. Department of Pulmonary and Critical Care Medicine, Naval Medical Center San Diego, 34800 Bob Wilson Drive, San Diego, CA 92134.
2. The Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20889.
3. Department of Surgery, Naval Hospital Camp Pendleton, 200 Mercy Circle, Camp Pendleton, CA 92055.
4. Department of Nursing, Naval Hospital Camp Pendleton, 200 Mercy Circle, Camp Pendleton, CA 92055.
5. U.S. Army Institute of Surgical Research, 3698 Chambers Pass, Suite B, JBSA Fort Sam, Houston, TX 78234.