[1] Ctr Child & Adolescent Mental Hlth,Eastern & Sout, Res Dept, Lorenskog, Norway
[2] Akershus Univ Hosp, Dept Child & Adolescent Mental Hlth, Lorenskog, Norway
[3] Ctr Child & Adolescent Mental Hlth Eastern & Sout, Res Dept, N-0405 Oslo, Norway
[4] Lovisenberg Diakonale Hosp, Dept Child & Adolescent Mental Hlth, Oslo, Norway
[5] Norwegian Ctr Violence & Traumat Stress Studies, Oslo, Norway