1. 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 Palliative Care, Rehabilitation, and Integrative Medicine, and Department of General Oncology The University of Texas MD Anderson Cancer Center Houston Texas USA
4. Department of Biostatistics, Princess Margaret Cancer Centre University Health Network Toronto Ontario Canada
5. Department of Psychiatry University of Toronto Toronto Ontario Canada
6. Princess Margaret Research Institute, Princess Margaret Cancer Centre University Health Network Toronto Ontario Canada