1. College of Nursing Art & Science, University of Hyogo, Hyogo, Japan
2. Osaka University Graduate School of Human Sciences, Suita, Japan
3. Department of Electronics & Computer Science, University of Hyogo, Himeji, Japan
4. Department of Palliative & Supportive Care, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
5. Faculty of Nursing, Tsuruga Nursing University, Tsuruga, Japan