system impairment. If participants were older than 60 years, the Mini Mental Status Test was performed to exclude subjects with possible cognitive impairment58. Only participants with German descent (all 4 grandparents German) were included. Furthermore, a large battery of personality questionnaires e.g. on aggression, impulsivity or neuroticism (NEO-PI-R) was obtained as well as data on life events and traumatic events. The mean age of the sample was 46 years (SD=15).
