1. Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD
2. The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD
3. Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
4. Department of Preventive Medicine & Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD
5. Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, MD