1. Department of Palliative and Supportive Care, Chukyo Hospital, Aichi, Japan
2. Department of Anesthesia and Palliative Care, Nishida Hospital, Saga, Japan
3. Department of Palliative Care Medicine, Municipal Miyoshi Central Hospital, Hiroshima, Japan
4. Department of Palliative Care, Cancer Center, Hokkaido University Hospital, Hokkaido, Japan
5. Hashizume Clinic, Akita, Japan
6. Department of Palliative Care Medicine, Iwate Prefectural Ofunato Hospital, Iwate, Japan
7. Department of Palliative Care Medicine, Japanese Red Cross Medical Center, Tokyo, Japan