[1] Univ Turku, Dept Nursing Sci, Turku, Finland
[2] Natl Univ Ireland, Sch Nursing & Midwifery, Galway, Ireland
[3] Vilnius Univ, Inst Hlth Sci, Vilnius, Lithuania
[4] Univ Int Catalunya, Nursing Dept, Sant Cugat Del Valles, Spain
[5] Univ Turku, Unit Biostat, Turku, Finland
[6] Turku Univ Hosp, Turku, Finland
[7] Martin Luther Univ Halle Wittenberg, Inst Hlth & Nursing Sci, Halle, Germany
[8] Landspitali Univ Hosp, Dept Dev & Educ, Reykjavik, Iceland