- Psychopathology: Children and adolescents with psychotic symptoms, scoring ≥ 4 on at least one of the following PANSS items: P1 (delusions), P2 (conceptual disorganisation), P3 (hallucinations), P5 (grandiosity), P6 (suspiciousness/persecution) or G9 (unusual thought content); and a total PANSS score > 60. The treating physician has decided to prescribe an antipsychotic compound.