- DSM-IV-TR axis I primary diagnosis of schizophrenia (including disorganized (295.10), paranoid (295.30), undifferentiated (295.90) subtypes) and confirmation of the schizophrenia diagnosis by an adequately trained clinician at the time of screening, by means of the Schedule for Affective Disorders and Schizophrenia for School-age Children (K-SADS-PL).