1. Assistant Professor, Department of Preventive Medicine, Northwestern University, Chicago, Illinois
2. Student, Department of Psychology, St George's Campus, University of Toronto, Centre for Addiction and Mental Health, Toronto, Ontario
3. Medical Director, Division of Pharmacotherapies and Medical Toxicity, National Institute on Drug Abuse, Bethesda, Maryland
4. Professor and Chair in Addiction Psychiatry, Department of Psychiatry, University of Toronto, Toronto, Ontario; Head, Division of Addiction Psychiatry, Department of Psychiatry, University of Toronto, Toronto, Ontario; Clinical Director, Schizophrenia Program, Centre for Addiction and Mental Health, Toronto, Ontario