1. Laboratory of Genetics, National Cancer Institute,
2. Laboratory of Immunopathology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892
3. Science Applications International Corporation (SAIC), Frederick Cancer Research Center, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702
4. Institut für Klinische Molekularbiologie und Tumorgenetik, Munich 81377, Germany
5. Institut für Physiologische Chemie der Ludwig-Maximilian Universität, Munich 80336, Germany