1. Lawrence S Bloomberg School of Nursing, Joint Centre for Bioethics, University of Toronto, Toronto, Canada
2. Departments of Neurology and Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
3. Department of Psychiatry, University of Toronto, Toronto, Canada
4. Department of Supportive Care, Princess Margaret Cancer Centre, Toronto, Canada
5. Dalla Lana School of Public Health, Joint Centre for Bioethics, University of Toronto, Toronto, Canada