Affiliation: | (1) Immunobiology Research Center, Departments of Laboratory Medicine and Pathology and Surgery, University of Minnesota, 55455 Minneapolis, MN, USA;(2) Department of Human Oncology, University of Wisconsin, 53792 Madison, WI, USA;(3) Departments of Pediatrics, Human Oncology, and Genetics, University of Wisconsin, 53792 Madison, WI, USA;(4) Present address: Department of Immunology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, 113 Tokyo, Japan;(5) Present address: Vienna International Research Cooperation Center (VIRCC), A-1235 Vienna, Austria;(6) Present address: Medical Research Council, Laboratory of Molecular Biology, Hills Road, CB2 2QH Cambridge, England |