[1] Massachusetts Gen Hosp, Dept Psychiat, Bipolar Clin, Boston, MA 02114 USA
[2] Massachusetts Gen Hosp, Dept Psychiat, Res Program, Boston, MA 02114 USA
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Stanford Univ, Sch Med, Stanford, CA 94305 USA
[5] VA Palo Alto Hlth Care Syst, Palo Alto, CA USA
[6] Emory Univ, Dept Psychol, Atlanta, GA 30322 USA
[7] United BioSource Corp, Boston, MA USA