1. 1Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland.
2. 2Medical Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
3. 3Clinical Pharmacology Program, National Cancer Institute, NIH, Bethesda, Maryland.
4. 4Pharmacy Department, National Institutes of Health Clinical Center, Bethesda, Maryland.
5. 5Molecular Histopathology Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland.
6. 6Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland.