[1] Univ Turku, Fac Med, Dept Nursing Sci, Turku, Finland
[2] Univ Helsinki, Dept Perioperat & Intens Care, Helsinki, Finland
[3] Helsinki Univ Hosp, Helsinki, Finland
[4] Turku Univ Hosp, Res Serv, Turku, Finland
[5] Univ Turku, Fac Technol, Dept Comp, Turku, Finland
[6] Aalto Univ, Sch Sci, Dept Comp Sci, Espoo, Finland
[7] Turku Univ Hosp, Turku, Finland
[8] Helsinki Univ Hosp, Nursing Res Ctr, Helsinki, Finland
[9] Univ Helsinki, Helsinki, Finland
[10] Univ Helsinki, Dept Perioperat & Intens Care, HUS, Karvasmaentie 8,POB 800, FI-00029 Espoo, Finland
[11] Helsinki Univ Hosp, HUS, Karvasmaentie 8,POB 800, FI-00029 Espoo, Finland