1. Department of Supportive Care, University Health Network, Toronto, Ontario, Canada.
2. Division of Palliative Care, and University of Toronto, Toronto, Ontario, Canada.
3. Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada.
4. Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
5. Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
6. Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada.
7. Institute for Work and Health, Toronto, Ontario, Canada.