1. British Columbia Cancer Agency Centre for Lymphoid Cancer and the University of British Columbia, Vancouver, BC, Canada;
2. Mayo Clinic, Rochester, MN;
3. Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX;
4. Hematology-Medical Oncology, Levine Cancer Institute, Charlotte, NC; and
5. Memorial Sloan Kettering Cancer Center, New York, NY