1. Seirei Hospice, Seirei Mikatahara General Hospital
2. Palliative and Supportive Care Division, Seirei Mikatahara General Hospital
3. Department of Palliative Medicine, National Cancer Center Hospital East
4. Division of Medical Support and Partnership, Center for Cancer Control and Information Services, National Cancer Center
5. Department of Palliative Medicine, Saga-ken Medical Center Koseikan
6. Department of Diagnostic Radiology, National Cancer Center Hospital
7. Department of Radiology, St. Marianna University School of Medicine
8. Department of Palliative Medicine, Juntendo University Graduate School of Medicine
9. Division of Palliative Nursing, Health Sciences, Tohoku University Graduate School of Medicine
10. Division of Biostatistics, Tohoku University Graduate School of Medicine
11. Department of Palliative Medicine, National Cancer Center Hospital