1. Cancer/Advanced Adult Nursing, Department of Nursing, Graduate School of Medicine, Yokohama City University, Kanagawa, Tokyo, Japan
2. Division of Health Science and Nursing, Department of Family Nursing, Division of Health Science and Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
3. Department of Palliative and Supportive Care, Palliative Care Team, and Seirei Hospice, Seirei Mikatahara General Hospital, Hamamatsu, Shizuoka, Japan
4. Department of Palliative Nursing, Health Sciences, Tohoku University Graduate School of Medicine, Sendai, Japan
5. Department of Nursing, School of Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
6. Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
7. Department of Palliative Medicine, Tsukuba Medical Center Hospital, Tsukuba, Japan