Massachusetts General Hospital, Department of Psychiatry, Dauten Family Center for Bipolar Treatment Innovation, 50 Staniford Street, Suite 580, Boston, MA 02114, United States; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, United States. Electronic address: lsylvia2@partners.org. Massachusetts General Hospital, Department of Psychiatry, Dauten Family Center for Bipolar Treatment Innovation, 50 Staniford Street, Suite 580, Boston, MA 02114, United States. Harvard University, Department of Psychology, 33 Kirkland Street, Cambridge, MA 02138, United States. McLean Hospital, Gunderson Residence, 115 Mill Street, Belmont, MA 02478, United States. Massachusetts General Hospital, Department of Psychiatry, Dauten Family Center for Bipolar Treatment Innovation, 50 Staniford Street, Suite 580, Boston, MA 02114, United States; Harvard University, Department of Biostatistics, 677 Huntington Avenue, Boston, MA 02115, United States. Massachusetts General Hospital, Department of Psychiatry, Dauten Family Center for Bipolar Treatment Innovation, 50 Staniford Street, Suite 580, Boston, MA 02114, United States; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, United States.