[1] Tech Univ Dresden, Inst Clin Psychol & Psychotherapy, Chemnitzer Str 46, D-01187 Dresden, Germany
[2] Tech Univ Dresden, Dept Child & Adolescent Psychiat, Fac Med, Schubertstr 42, D-01307 Dresden, Germany
[3] Tech Univ Dresden, Dept Psychotherapy & Psychosomat Med, Fac Med, Fetscherstr 74, D-01307 Dresden, Germany
[4] Norwegian Inst Publ Hlth, Dept Child Hlth, POB 4404 Nydalen, N-0403 Oslo, Norway
[5] Tech Univ Dresden, Behav Epidemiol, Chemnitzer Str 46, D-01187 Dresden, Germany
[6] Ludwig Maximilans Univ Munich, Dept Psychiat & Psychotherapy, Munich, Germany