[1] Kuopio Univ Hosp, Dept Psychiat, Kuopio Psychiat Ctr, Kuopio 70600, Finland
[2] Univ Eastern Finland, Kuopio, Finland
[3] Maine Med Ctr, Ctr Nursing Res & Qual Outcomes, Portland, ME 04102 USA
[4] Univ So Maine, Portland, ME 04103 USA
[5] Journal Nursing Management, Portland, ME USA