[1] Sun Yat Sen Univ, Sch Publ Hlth, Dept Med Stat & Epidemiol, Guangzhou 510080, Peoples R China
[2] Univ Hlth Network, Mood Disorders Psychopharmacol Unit, Toronto, ON, Canada
[3] Univ Toronto, Dept Pharmacol, Toronto, ON, Canada
[4] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[5] Univ Toronto, Inst Med Sci, Toronto, ON, Canada
[6] Sun Yat Sen Univ, Sch Publ Hlth, Dept Med Stat & Epidemiol, 74 Zhongshan Rd 2, Guangzhou 510080, Peoples R China