1. 1Department of Internal Medicine (Medical Oncology), Yale University School of Medicine, New Haven, Connecticut.
2. 2Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh, Pittsburgh, Pennsylvania.
3. 3Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut.
4. 4Department of Pathology, Yale University School of Medicine, New Haven, Connecticut.
5. 5Department of Laboratory Medicine, Yale University School of Medicine, New Haven, Connecticut.
6. 6Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut.