[1] Norwegian Inst Publ Hlth, Ctr Dis Burden, Zander Kaaes Gate 7,POB 973 Sentrum,5-5808, N-5015 Bergen, Norway
[2] Norwegian Inst Publ Hlth, Dept Mental Hlth & Suicide, Marcus Thranes Gate 6, N-0473 Oslo, Norway
[3] Univ Oslo, PROMENTA Res Ctr, Dept Psychol, N-0317 Oslo, Norway
[4] Norwegian Inst Publ Hlth, Dept Mental Disorders, Marcus Thranes Gate 6, N-0473 Oslo, Norway
[5] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol Med, 16 De Crespigny Pk, London SE5 8AF, England
[6] South London & Maudsley NHS Fdn Trust, Biomed Res Ctr, 16 De Crespigny Pk, London SE5 8AF, England
[7] Harvard Med Sch, Dept Hlth Care Policy, 180 Longwood Ave, Boston, MA 02115 USA
[8] Norwegian Univ Sci & Technol, Dept Publ Hlth & Nursing, HUNT Res Ctr, Forskningsvegen 2, N-7600 Levanger, Norway
[9] Nord Trondelag Hosp Trust, Levanger Hosp, Kirkegata 2, N-7600 Levanger, Norway
[10] Norwegian Inst Publ Hlth, Dept Hlth Promot, Zander Kaaes Gate 7, N-5015 Bergen, Norway
[11] Stavanger Univ Hosp, Ctr Alcohol & Drug Res, N-4010 Stavanger, Norway
[12] Univ Stavanger, Fac Hlth Sci, Dept Publ Hlth, N-4021 Stavanger, Norway