Affiliation: | (1) Department of Pathology and Kaplan Cancer Center, New York University School of Medicine, MSB-599, 550 First Avenue, 10016 New York, New York;(2) Laboratory of Molecular Cancer Genetics, National Cancer Institute, National Institutes of Health, 20892 Bethesda, Maryland;(3) Laboratory of Oral Medicine, National Institutes of Health, 20892 Bethesda, Maryland |