1. Casey House Hospice, Toronto, ON, Canada M4Y 2K8
2. Department of Family & Community Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada M5S 1A8
3. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada L8S 4K1
4. Black Creek Community Health Centre, Toronto, ON, Canada M3N 3A1
5. Department of Psychiatry, St Michael’s Hospital, Toronto, ON, Canada M5B 1W8
6. Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute of St. Michael’s Hospital, Toronto, ON, Canada M5B 1W8
7. Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada M5S 1A8
8. Division of General Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA