1. Gratia Hospital Hospice, Osaka, Japan.
2. Tohoku University Hospital Palliative Care Center, Miyagi, Japan.
3. Department of Palliative Medicine, Osaka University Graduate School of Medicine, Osaka, Japan.
4. Department of Palliative and Supportive Care, Palliative Care Team, and Seirei Hospice, Seirei Mikatahara General Hospital, Shizuoka, Japan.
5. Department of Palliative Medicine, Palliative Care Center, Kyoto University Hospital, Kyoto, Japan.