[1] Univ Turku, Dept Nursing Sci, Turku, Finland
[2] Univ Eastern Finland, Dept Nursing Sci, Kuopio, Finland
[3] La Trobe Univ, Sch Nursing & Midwifery, Melbourne, Vic, Australia
[4] Univ Gothenburg, Inst Hlth & Care Sci, Sahlgrenska Acad, Gothenburg, Sweden
[5] Turku Univ Hosp, Turku, Finland
[6] Welf Serv Div, Turku, Finland