[1] Lund Univ, Div Psychiat, Dept Clin Neurosci, S-22100 Lund, Sweden
[2] Umea Univ, Div Psychiat, Dept Clin Sci, S-90187 Umea, Sweden
[3] Dept Psychiat, Malmo, Sweden
[4] Landspitallin, Dept Psychiat, Reykjavik, Iceland
[5] Turku Univ, Dept Child Psychiat, Turku, Finland
[6] Community Mental Hlth Ctr, Copenhagen, Denmark
[7] Univ Aarhus, Inst Basic Psychiat Res, Dept Psychiat Demog, DK-8000 Aarhus C, Denmark
[8] Dept Psychiat, Malmo, Sweden
[9] Nordland Psychiat Hosp, Bodo, Norway
[10] Roskilde Cty Psychiat Hosp Fjorden, Roskilde, Denmark
[11] Community Mental Hlth Ctr, Copenhagen, Denmark