[1] Yale Univ, Sch Med, Dept Psychiat, New Haven, CT 06510 USA
[2] Univ Pittsburgh, Dept Psychiat, Pittsburgh, PA 15260 USA
[3] Univ Pittsburgh, Dept Obstet & Gynecol, Pittsburgh, PA 15260 USA
[4] Univ Pittsburgh, Dept Pediat, Pittsburgh, PA 15260 USA
[5] Univ Pittsburgh, Western Psychiat Inst & Clin, Pittsburgh, PA 15213 USA
[6] Emory Univ, Sch Med, Dept Psychiat & Behav Sci, Atlanta, GA 30322 USA
[7] NIMH, Pediat & Dev Neuropsychiat Branch, Mood & Anxiety Disorders Program, Bethesda, MD 20892 USA
[8] Harvard Univ, Sch Med, Dept Psychiat, Boston, MA 02115 USA
[9] Massachusetts Gen Hosp, Boston, MA 02114 USA
[10] Univ Illinois, Dept Psychiat, Chicago, IL 60612 USA
[11] Stanford Univ, Dept Psychiat & Behav Sci, Stanford, CA 94305 USA
[12] Univ Texas, SW Med Ctr, Dept Psychiat, Dallas, TX USA
[13] Univ Calif Los Angeles, David Geffen Sch Med, Dept Psychiat, Los Angeles, CA 90024 USA