[1] Norwegian Inst Publ Hlth, Dept Hlth Promot, Postboks 973 Sentrum, N-5808 Bergen, Norway
[2] Univ Bergen, Dept Psychosocial Sci, Bergen, Norway
[3] Norwegian Univ Sci & Technol, Dept Mental Hlth, Trondheim, Norway
[4] Helse Fonna HF, Dept Res & Innovat, Haugesund, Norway
[5] Stine Sofies Fdn, Grimstad, Norway
[6] Stine Sofie Ctr, Grimstad, Norway
[7] Univ Agder, Dept Psychosocial Hlth, Grimstad, Norway
[8] NORCE Norwegian Res Ctr, Reg Ctr Child & Youth Mental Hlth & Child Welf, Bergen, Norway