1. Center for Cancer Research, and
2. Experimental Transplantation and Immunology Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD;
3. Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD;
4. University of Texas MD Anderson Cancer Center, Houston, TX;
5. Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, MD;
6. Laboratory of Pathology, and
7. Surgery Branch, National Cancer Institute, NIH, Bethesda, MD