[1] Haukeland Hosp, Div Psychiat, Dept Child & Adolescent Psychiat, Postbox 1400, N-5021 Bergen, Norway
[2] Univ Bergen, Dept Clin Med, Bergen, Norway
[3] Haukeland Hosp, Dept Pediat, Bergen, Norway
[4] Uni Res Hlth, Reg Ctr Child & Youth Mental Hlth & Child Welf, Bergen, Norway
[5] Haukeland Hosp, Ctr Res & Educ Forens Psychiat, Bergen, Norway