[1] Univ Lund Hosp, Div Psychiat, Dept Clin Neurosci, SE-22185 Lund, Sweden
[2] Roskilde Cty Hosp, Roskilde, Denmark
[3] Community Mental Hlth Ctr, Copenhagen, Denmark
[4] Turku Univ, Dept Child Psychiat, FIN-20520 Turku, Finland
[5] Dept Psychiat, Sector W, Malmo, Sweden
[6] Landspitallin, Dept Psychiat, Reykjavik, Iceland
[7] Univ Aarhus, Inst basic Psychiat Res, Dept Psychiat Demog, Aarhus, Denmark
[8] Dept Psychiat, Sector NE, Malmo, Sweden
[9] Umea Univ, Dept Psychiat, Dept Clin Sci, Umea, Sweden
[10] Nordland Psychiat Hosp, Bodo, Norway