1. Department of Lymphoma and Myeloma The University of Texas MD Anderson Cancer Center Houston TX USA
2. BC Cancer Centre for Lymphoid Cancer and Department of Medical Oncology BC Cancer Vancouver BC Canada
3. Department of Biostatistics The University of Texas MD Anderson Cancer Center HoustonTXUSA
4. Department of Hemato‐Pathology The University of Texas MD Anderson Cancer Center HoustonTXUSA
5. Department of Radiation Oncology The University of Texas MD Anderson Cancer Center HoustonTXUSA
6. Department of Pediatric Oncology The University of Texas MD Anderson Cancer Center Houston TX USA
7. Department of Medical Oncology British Columbia Cancer Center VancouverBCCanada
8. Department of Pathology British Columbia Cancer Center Vancouver BC Canada
9. Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston TX USA