1. Department of Palliative Medicine, Kobe University School of Medicine, Kobe, Japan.
2. Division of Clinical Medicine, Department of Palliative and Supportive Care, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan.
3. Palliative Care Team, Seirei Mikatahara General Hospital, Hamamatsu, Japan.
4. Department of Palliative Care, Senri-Chuo Hospital, Toyonaka, Japan.
5. Department of Palliative Care, Daini Kyoritsu Hospital, Kawanishi, Japan.
6. Department of Palliative Medicine, National Cancer Center Hospital, Tokyo, Japan.
7. Department of Palliative Medicine, National Cancer Center Hospital East, Kashiwa, Japan.
8. Division of Palliative and Supportive Care, Seirei Mikatahara General Hospital, Hamamatsu, Japan.
9. Orange Home-Care Clinic, Fukui, Japan.
10. Medical Corporation Aisei-kai, Hirakata, Japan.
11. Seimeikan Clinic, Sapporo, Japan.
12. Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan.