1. Research Associate, Arthur Sommer Rotenberg Chair in Suicide Studies, St Michael's Hospital; PhD Candidate, Epidemiology, Department of Public Health Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario
2. Research Scientist, Health Systems Research Unit; Assistant Professor, Department of Psychiatry, University of Toronto, Toronto, Ontario
3. Professor, Department of Psychiatry, University of Toronto, Toronto, Ontario; Assistant Vice President of Research and Director, Kunin-Lunenfeld Applied Research Unit, Baycrest Centre for Geriatric Care, North York, Ontario