1. Division of Hematology and Oncology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio;
2. Cancer and Leukemia Group B Statistical Center, Duke University Medical Center, Durham, NC;
3. Division of Human Cancer Genetics, Department of Microbiology, Virology, Immunology, and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus;
4. Department of Hematology and Oncology, Charité University Hospital, Campus Benjamin Franklin, Berlin, Germany;
5. Department of Pathology, The Ohio State University, Columbus;
6. Section on Hematology and Oncology, Comprehensive Cancer Center of Wake Forest University, Winston-Salem, NC;
7. Department of Medicine, North Shore University Hospital, Manhasset, NY; and
8. Department of Medicine, University of Chicago, IL