1. Department of Adult Nursing, Faculty of Nursing, Bunri University of Hospitality, Saitama, Japan
2. Department of Adult Health Nursing, Faculty of Nursing, Toho University, Tokyo, Japan
3. Department of Palliative Nursing, Health Sciences, Tohoku University Graduate School of Medicine, Miyagi, Japan
4. Formerly of Department of Adult Nursing, University of Toyama, Toyama, Japan
5. Department of Adult and Elderly Health Care Nursing, Faculty of Nursing, Kobe City College of Nursing, Hyogo, Japan
6. Department of Palliative and Supportive Care, Palliative Care Team and Seirei Hospice, Seirei Mikatahara General Hospital, Shizuoka, Japan
7. Department of Palliative Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
8. Department of Palliative Medicine, Tsukuba Medical Center Hospital, Ibaraki, Japan