1. Section of Liaison Psychiatry and Palliative Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
2. Department of Palliative Care, Cancer Institute Hospital of Japan Foundation for Cancer Research (JFCR), Tokyo
3. Department of Palliative Nursing and Health Sciences, Tohoku University Graduate School of Medicine, Sendai
4. Seirei Hospice, Seirei Mikatahara General Hospital, Hamamatsu
5. Department of Medical Oncology, Japanese Red Cross Medical Center, Tokyo
6. Department of Palliative Care Team, and Palliative and Supportive Care, National Kyushu Cancer Center, Fukuoka, Japan
7. Primary Palliative Care Research Group, Usher Institute of Population Health Sciences and Informatics, the University of Edinburgh, Edinburgh, United Kingdom
8. Department of Palliative Medicine, Kobe University School of Medicine, Kobe, Japan