1. Centre for Lymphoid Cancer and Department of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, BC, Canada;
2. Cancer Surveillance and Outcomes, Population Oncology, British Columbia Cancer Agency, Vancouver, BC, Canada;
3. Oncology Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia; and
4. Centre for Lymphoid Cancer and Department of Pathology, British Columbia Cancer Agency, Vancouver, BC, Canada