[1] Univ Eastern Finland, Fac Hlth Sci, Dept Nursing Sci, Kuopio 70211, Finland
[2] South Karelia Social & Hlth Care Dist, Lappeenranta 53130, Finland
[3] Northumbria Univ, Dept Nursing Midwifery & Hlth, Newcastle Upon Tyne NE7 7XA, Tyne & Wear, England
[4] Univ Alicante, Fac Hlth Sci, Alicante 03690, Spain
[5] LAB Univ Appl Sci, Fac Hlth Care & Social Serv, Lappeenranta 53850, Finland
[6] Univ Turku, Res Ctr Child Psychiat, Turku 20500, Finland
[7] Kuopio Univ Hosp, Clin Dev Educ & Res Unit Nursing CDERUN, Kuopio 70210, Finland