[1] Dept. of Medical and Welfare Management, Seibi University, Fukuchiyama city, Kyoto Pref., Japan
[2] Dept. of Medical and Welfare Management, Koshien University, Takarazuka city, Hyogo, Japan
[3] University of Marketing and Distribution Sciences, Kobe city, Hyogo, Japan
[4] Faculty of Nursing, Senri Kinran University, Suita City, Osaka Pref., Japan