[1] Cty Hosp, Dept Psychiat, Psychiat Serv, SE-30185 Halmstad, Sweden
[2] Univ Gothenburg, Inst Heath & Care Sci, Sahlgrenska Acad, Gothenburg, Sweden
[3] Swedish Inst Hlth Sci, Vardal Inst, Lund, Sweden
[4] Sahlgrens Univ Hosp, Dept Patient Safety & Qual Improvement, Gothenburg, Sweden
[5] Mid Sweden Univ, Dept Hlth Sci, Ostersund, Sweden