Table 1. Demography and Clinical History.

Family 1					Family 2
	I-1-1	I-1-2	I-2-1	I-2-2	II-1-1	II-1-2	II-2-1	II-2-2
Age (yr.) at assessment	82	74	53	53	N/A	N/A	43	43
Sex	Male	Female	Female	Female	Male	Female	Female	Female
Declared Race	Afro-American				Caucasian
Psychiatric features	Compulsive Personality Disorder	N/A	Schizophrenia, Paranoid Type, onset age 22	Bipolar I Disorder, onset age 52	Major depression and panic disorder for 6 months after cardiac surgery, onset age 73	N/A	Schizoaffective Disorder, onset age 27	Single episode of Major Depression, fully remitted, onset age 18

Demography and Clinical History of monozygotic (MZ) twins discordant for Schizophrenia (SCZ). Family one is indicated with (I), family two is indicated with (II). N/A = Not Applicable.