1. Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Aichi
2. Department of Palliative Medicine, Higashi-Osaka Hospital, Osaka
3. Division of Psycho-oncology and Palliative Care, Nagoya City University Hospital, Aichi
4. Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, Tokyo
5. Department of Hematology and Oncology, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan