[1] Univ Oulu, Res Unit Nursing Sci & Hlth Management, Oulu, Finland
[2] Lapland UAS, Kemi, Finland
[3] Univ Oulu, Oulu Univ Hosp, Res Unit Nursing Sci & Hlth Management, Oulu, Finland
[4] Univ Oulu, Res Unit Nursing Sci & Hlth Management, GeroNursingCtr, Oulu, Finland
[5] Oulu UAS, Oulu, Finland