1. 1Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan, Ann Arbor, Michigan.
2. 2Department of Pathology, University of Illinois Chicago, Chicago, Illinois.
3. 3Department of Pathology, University of Michigan, Ann Arbor, Michigan.
4. 4Division of Hematopathology, University of Pittsburgh, Pittsburgh, Pennsylvania.
5. 5Department of Pathology, Henry Ford Hospital, Detroit, Michigan.
6. 6Department of Pathology, Instituto Nacional de Enfermedades Neoplasicas (INEN), Lima, Peru.
7. 7Department of Medicine, Division of Hematology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio.
8. 8Department of Discovery Oncology, Genentech, Inc., South San Francisco, California.
9. 9Department of Medicine, Division of Hematology/Oncology, University of Pennsylvania, Philadelphia, Pennsylvania.