[1] Goethe Univ, Univ Hosp Frankfurt, Dept Psychiat Psychotherapy & Psychosomat Med, Heinrich Hoffmann Str 10, D-60528 Frankfurt, Germany
[2] Univ Groningen, Univ Med Ctr Groningen, Dept Psychiat, Interdisciplinary Ctr Psychopathol & Emot Regulat, Groningen, Netherlands
[3] Karolinska Inst, Dept Med Epidemiol & Biostat, Box 281, S-17177 Stockholm, Sweden
[4] Orebro Univ, Sch Med Sci, Campus USO, S-70182 Orebro, Sweden
[5] Univ Hosp Wurzburg, Dept Psychiat Psychotherapy & Psychosomat Med, Margarete Hoppel Pl 1, D-97082 Wurzburg, Germany