1. Cancer Health Literacy Research Centre, Cancer Education, Princess Margaret Cancer Centre, Toronto, ON M5T 3M6, Canada
2. The Institute for Education Research (TIER), University Health Network, Toronto, ON M5T 1V4, Canada
3. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON M5T 3M6, Canada
4. Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada
5. Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5T 3M6, Canada