1 Department of Palliative and Supportive Care, Palliative Care Team, Seirei Mikatahara General Hospital, Kita-ku, Hamamatsu, Shizuoka, Japan; Seirei Hospice, Seirei Mikatahara General Hospital, Kita-ku, Hamamatsu, Shizuoka, Japan. Electronic address: tmorita@sis.seirei.or.jp.
2 Department of Palliative Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
3 Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan.