1. Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.
2. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.
3. Department of Research Programs (Division of Biostatistics), Walter Reed National Military Medical Center, Bethesda, Maryland.
4. Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.
5. Department of Endocrinology, Walter Reed National Military Medical Center, Bethesda, Maryland.
6. Clinical Trials Group, United States Military Cancer Institute, Bethesda, Maryland.