title: Introduction to the supplement.
authors.forename: Hans-Christoph
authors.initials: HC
authors.lastname: Steinhausen
mesh_terms: D000293:Adolescent; D000296:Adolescent Psychiatry; D002648:Child; D002665:Child Psychiatry; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D001523:Mental Disorders / Q000175:diagnosis*