1. Department of Radiation Oncology, British Columbia Cancer, Vancouver, BC, Canada;
2. Department of Surgery, University of British Columbia, Vancouver, BC, Canada;
3. Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia;
4. Department of Medical Oncology, British Columbia Cancer, Vancouver, BC, Canada;
5. Department of Medicine, University of British Columbia, Vancouver, BC, Canada; and
6. BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada