[1] Emory Univ, Sch Med, Dept Psychiat, Bipolar Disorder Res Program, Atlanta, GA 30322 USA
[2] Univ Louisville, Sch Med, Mood Disorders Program, Louisville, KY 40292 USA
[3] Univ Penn, Sch Med, Mood Disorders Program, Philadelphia, PA 19104 USA
[4] Harvard Univ, Sch Med, Dept Psychiat, Boston, MA 02115 USA
[5] Massachusetts Gen Hosp, Bipolar Clin & Res Program, Boston, MA USA
[6] Cambridge Hlth Alliance, Bipolar Disorder Res Program, Cambridge, MA USA
[7] Massachusetts Gen Hosp, McLean Div, Bipolar & Psychot Disorders Program, Belmont, MA USA