1. Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada.
2. Riverdale Homeopathic Clinic, Toronto, Canada.
3. Centre for Addiction and Mental Health, Toronto, Canada.
4. Department of Psychiatry, Temerty Faculty of Medicine, Psychiatry, University of Toronto, Toronto, Ontario, Canada.
5. Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada.
6. Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.