Affiliation: | Department of Pediatrics, Division of Bone Marrow Transplantation, University of Minnesota Cancer Center, Minneapolis, MN;Department of Microbiology and Immunology, University of Nevada, Reno, NV;University of North Carolina-Chapel Hill, Lineberger Cancer Center, Chapel Hill, NC;Millennium Pharmaceuticals, Cambridge, MA;Department of Research, Laboratory of Transplantation Immunology and Nephrology, University Hospital-Basel, CH-4031 Basel, Switzerland |