[1] Tech Univ Dresden, Dept Child & Adolescent Psychiat, Fac Med, Dresden, Germany
[2] Univ Southern Calif, Keck Sch Med, Dept Prevent Med, Los Angeles, CA 90007 USA
[3] Univ Oslo, PROMENTA Res Ctr, Dept Psychol, Oslo, Norway
[4] Univ Oslo, Inst Clin Med, NORMENT, Oslo, Norway
[5] Diakonhjemmet Hosp, Dept Psychiat Res, Oslo, Norway