[1] University of Southern California,Department of Molecular Microbiology and Immunology
[2] Keck School of Medicine,Department of Microbiology and Molecular Genetics and Tumour Virology Division
[3] Harlyne J. Norris Cancer Research Tower,Department of Pediatrics
[4] New England Primate Research Center,Department of Cancer Immunology and AIDS, Dana
[5] Harvard Medical School,Farber Cancer Institute and the Department of Pathology
[6] The University of Texas Health Science Center at San Antonio,undefined
[7] Harvard Medical School,undefined