1. Laboratory of Cancer Prevention, Gene Regulation Section, National Cancer Institute–Frederick, Frederick, MD
2. Molecular Targets Development Program, National Cancer Institute–Frederick, Frederick, MD; Data Management Services, Inc., National Cancer Institute–Frederick, Frederick, MD
3. Molecular Targets Development Program, National Cancer Institute–Frederick, Frederick, MD
4. Molecular Targets Development Program, National Cancer Institute–Frederick, Frederick, MD; Basic Research Program, SAIC-Frederick, Inc., National Cancer Institute- Frederick, Frederick, MD