1. Department of Palliative Medicine, Tsukuba Medical Center Hospital
2. Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba
3. Gratia Hospice, Gratia Hospital
4. Seirei Hospice, Seirei Mikatahara General Hospital
5. Department of Palliative Medicine, Kobe University School of Medicine
6. Department of Palliative Medicine, National Cancer Center Hospital East
7. Department of Psychiatry, National Hospital Organization Hokkaido Medical Center
8. Department of Palliative Care, Komaki City Hospital
9. Department of Psycho-Oncology Service, National Cancer Center Hospital East
10. Department of Stress Sciences and Psychosomatic Medicine, Graduate School of Medicine, The University of Tokyo
11. Department of Palliative Medicine, Saitama Medical University