[1] German Res Ctr Environm Hlth, Inst Epidemiol 2, Mental Hlth Res Unit, Helmholtz Zentrum Munchen, Ingolstadter Landstr 1, D-85764 Neuherberg, Germany
[2] Tech Univ Munich, Klinikum Rechts Isar, Dept Psychosomat Med & Psychotherapy, D-80290 Munich, Germany
[3] Univ Heart Ctr Hamburg Eppendorf, Dept Cardiol, Klinikum Stephansplatz, Hamburg, Germany