1. Hospital for Sick Children; Department of Psychiatry, University of Toronto, Toronto, Ontario.
2. Hospital for Sick Children; Professor of Psychiatry and Psychology, University of Toronto, Toronto, Ontario.
3. Hospital for Sick Children; Doctoral candidate, Institute of Medical Science, University of Toronto, Toronto, Ontario.
4. Clarke Institute of Psychiatry; Professor, Department of Psychiatry, University of Toronto, Toronto, Ontario.