[1] Tampere Univ, Fac Social Sci, Nursing Sci, Unit Hlth Sci, Tampere 33014, Finland
[2] Kyoto Tachibana Univ, Fac Nursing, Kyoto 6078175, Japan
[3] Tampere Univ, Fac Social Sci, Unit Hlth Sci, Kalevantie 4, Tampere 33014, Finland
[4] Etela Pohjanmaa Welf Cty, Seinajoki 60220, Finland