1. Medical Oncology Branch (C.O., M.E., M.V., J.W., S.B., T.F.), Bethesda, Maryland 20892
2. National Cancer Institute, and Radiology and Imaging Sciences (A.M.V.), Clinical Center, National Institutes of Health, Bethesda, Maryland 20892
3. Center for Cancer Research, Laboratory of Pathology (S.P.), Bethesda, Maryland 20892
4. National Clinical Target Validation Laboratory, Division of Cancer Treatment and Diagnosis (S.X.Y., D.N.), Bethesda, Maryland 20892