1. CJ Grief (corresponding author) Division of Geriatric Psychiatry, Department of Psychiatry, University of Toronto, and Department of Psychiatry, Baycrest, 4W02A-3560 Bathurst Street, Toronto, Ontario, Canada M6A2E1;
2. Department of Family and Community Medicine, Baycrest, and Division of Palliative Care, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada
3. Department of Family and Community Medicine, Baycrest, Toronto, Ontario, Canada
4. Rotman Research Institute, and Department of Psychiatry, Baycrest, and Division of Geriatric Psychiatry, Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada