[1] Med Univ Vienna, Dept Psychiat & Psychotherapy, Clin Div Gen Psychiat, Vienna, Austria
[2] Med Univ Vienna, Ctr Publ Hlth, Dept Epidemiol, Vienna, Austria
[3] Med Univ Vienna, Dept Psychiat & Psychotherapy, Clin Div Social Psychiat, Wahringer Gurtel 18-20, A-1090 Vienna, Austria
[4] St Polten Univ Appl Sci, St Polten, Austria