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1. AA symptom cluster used only to confirm diagnosis once florid psychotic features are already clinically apparent
2. BA social outcome measure describing occupational and social functioning several years after first presentation
3. CA structural brain finding that appears only during an acute psychotic relapse and normalises fully with remission
4. DA heritable trait that cosegregates with illness risk within families, independent of current symptom state
5. EA treatment-response pattern predicting which antipsychotic dose will best control acute psychotic hallucinations