1. Department of Palliative Care, Palliative Care Team, Saito-Yukoukai Hospital, Osaka, Japan
2. Palliative Care Team, Saito-Yukoukai Hospital, Osaka, Japan
3. Department of Palliative and Supportive Care, Palliative Care Team and Seirei Hospice, Seirei Mikatahara General Hospital, Shizuoka, Japan