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From the Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario; and Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada. Reprints: David L. Streiner, PhD, CPsych, St Joseph's Healthcare, Mountain Campus, 100 W 5th St, Hamilton, Ontario, Canada L8N 3K7 (e-mail: email protected).
David L. Streiner (Tue,) studied this question.