1. Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL;
2. Centre for Lymphoid Cancer, British Columbia Cancer Agency, Vancouver, BC, Canada;
3. Medical Oncology, Dana-Farber Cancer Institute, Boston, MA;
4. Biostatistics and Data Coordinating Center, City of Hope National Medical Center, Duarte, CA;
5. Medicine/Lymphoma, Memorial Sloan-Kettering Cancer Center, New York, NY;
6. Lymphoma/Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX;
7. Hematology and Stem Cell Transplantation, City of Hope National Medical Center, Duarte, CA;
8. University of Michigan Comprehensive Cancer Center, Ann Arbor, MI;
9. Departments of Medicine and Immunology, Roswell Park Cancer Institute, Buffalo, NY;
10. Fox Chase Cancer Center, Philadelphia, PA; and
11. James P. Wilmot Cancer Center, University of Rochester, Rochester, NY