4. Patients must have a diagnosis of a Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) mood disorder (dysthymia, major depressive disorder, depressive disorder not otherwise specified, cyclothymic, bipolar I disorder, bipolar II disorder, or bipolar disorder not otherwise specified) as determined by the Washington University at St. Louis Kiddie Schedule of Affective Disorders and Schizophrenia (WASH-U K-SADS) (Geller et al., 2000).