Affiliation: | (1) The Cellular Immunobiology Unit of the Tumor Institute, Departments of Pediatrics and Microbiology, and The Comprehensive Cancer Center, University of Alabama in Birmingham, 35294 Birmingham, Alabama;(2) Department of Microbiology, New York University School of Medicine, 10016 New York, New York;(3) Department of Biological Sciences, Northern Illinois University, 60115 De Kalb, Illinois |