[1] Univ Hyogo, Res Inst Nursing Care People & Community, Kobe, Hyogo 6500044, Japan
[2] Baika Womens Univ, Ibaraki, Japan
[3] Hiroshima Coll Nursing, Hiroshima, Japan
[4] Univ Hyogo, Coll Nursing Art & Sci, Kobe, Hyogo 6500044, Japan
[5] Aomori Univ Hlth & Welf, Aomori, Japan