1. Department of Nursing, Graduate School of Health Sciences, Kobe University, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo 654–0142, Japan
2. Department of Information and Communications Technology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565–0871, Japan
3. Department of Human Care Science, Graduate School of Nursing, Osaka Metropolitan University, 1-5-17 Asahimachi, Abeno-ku, Osaka, Osaka 545–0051, Japan
4. Department of Nursing, Higashi Takarazuka Satoh Hospital, 2-1 Nagao-cho, Takarazuka, Hyogo 665–0873, Japan
5. Department of Nursing, Kawasaki Hospital, 3-3-1 Higasiyama-cho, Hyogo-ku, Kobe, Hyogo 652–0042, Japan