1. Department of Palliative Medicine, National Cancer Center Hospital, Tokyo, Japan.
2. Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
3. Department of Palliative and Supportive Medicine, Graduate School of Medicine, Aichi Medical University, Nagakute City, Japan.
4. Palliative and Supportive Care Division, Seirei Mikatahara General Hospital, Hamamatsu City, Shizuoka, Japan.
5. Department of Palliative Medicine, National Cancer Center Hospital East, Kashiwa City, Japan.
6. Department of Palliative Medicine, Osaka City General Hospital, Osaka City, Japan.
7. Department of Palliative Medicine, Yokohama City University Hospital, Yokohama City, Japan.
8. Department of Gastroenterology and Hepatology, Yokohama City University Graduate School of Medicine, Yokohama City, Japan.
9. Department of Psychosomatic Internal Medicine, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Japan.
10. Department of Palliative Medicine, Tohoku University Graduate School of Medicine, Sendai City, Japan.
11. Department of Palliative Care Team, and Palliative and Supportive Care, St. Mary's Hospital, Kurume City, Japan.
12. Department of Clinical Oncology and Palliative Medicine, Mitsubishi Kyoto Hospital, Kyoto City, Japan.
13. Division of Community Medicine and International Medicine, University of the Ryukyus Hospital, Nakagami-Gun, Japan.
14. Department of Palliative Nursing, Health Sciences, Tohoku University Graduate School of Medicine, Sendai City, Japan.
15. Graduate School of Public Health, St. Luke's International University, OMURA Susumu and Mieko Memorial St. Luke's Center for Clinical Academia, Tokyo, Japan.
16. College of Nursing Art and Science, University of Hyogo, Akashi City, Japan.
17. Department of Psycho-Oncology, National Cancer Center Hospital, Tokyo, Japan.