Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Stein, M B; Höfler, Michael; Perkonigg, A; Lieb, R; Pfister, H; Maercker, Andreas; Wittchen, Hans-Ulrich (2002). Patterns of incidence and psychiatric risk factors for traumatic events. International Journal of Methods in Psychiatric Research, 11:143-153.