1. Department of Palliative Care, Konan Medical Center, Hyogo, Japan,
2. Department of Palliative Medicine, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan,
3. Department of Psychosomatic Internal Medicine, Kinki-Chuo Chest Medical Center, Sakai, Osaka, Japan,
4. Department of Palliative and Supportive Care Division, Seirei Mikatahara General Hospital, Hamamatsu, Shizuoka, Japan,
5. Department of Palliative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan,
6. Department of Seirei Hospice, Seirei Mikatahara General Hospital, Hamamatsu, Shizuoka, Japan,
7. Department of Palliative Care, Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan,
8. Department of Respiratory Medicine, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan,