1. Division of Medical Oncology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
2. Department of Supportive Care, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
3. Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
4. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
5. Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada