[1] Clarke Inst Psychiat, Sect Biochem Psychiat, Toronto, ON M5T 1R8, Canada
[2] Clarke Inst Psychiat, Mood Disorder Program, Toronto, ON M5T 1R8, Canada
[3] Toronto Hosp, Playfair Neurosci Unit, Toronto, ON M5T 2S8, Canada
[4] Univ Toronto, Inst Med Sci, Toronto, ON M5S 1A1, Canada
[5] Univ Toronto, Dept Pharmacol, Toronto, ON, Canada
[6] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[7] Univ Toronto, Dept Physiol, Toronto, ON, Canada