[1] McGill Univ, Dept Psychiat, Douglas Mental Hlth Univ Inst, Montreal, PQ, Canada
[2] Univ Ottawa, Sch Psychol, Ottawa, ON K1N 6N5, Canada
[3] Univ Laval, Fac Nursing, Quebec City, PQ, Canada
[4] Ontario Dept Hlth, Toronto, ON, Canada
[5] Yale Univ, Dept Psychiat, New Haven, CT 06520 USA