1. Murtha Cancer Center Research Program Uniformed Services University of the Health Sciences Bethesda Maryland
2. Department of Surgery, F. Edward Hébert School of Medicine Uniformed Services University of the Health Sciences Bethesda Maryland
3. Henry M. Jackson Foundation for the Advancement of Military Medicine Bethesda Maryland
4. Department of Surgery University of Texas Health San Antonio San Antonio Texas
5. Department of Surgery Walter Reed National Military Medical Center Bethesda Maryland
6. Department of Preventive Medicine and Biostatistics, F. Edward Hébert School of Medicine Uniformed Services University of the Health Sciences Bethesda Maryland