1. Department of Psychosomatic Internal Medicine, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai, Japan
2. Faculty of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3. Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan
4. Department of Psychosomatic Medicine, The University of Tokyo Hospital, Tokyo, Japan
5. Division of Respiratory Medicine, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
6. Department of Psychosomatic Medicine, Kansai Medical University, Hirakata, Japan
7. Department of Neuropsychiatry, Kansai Medical University, Moriguchi, Japan
8. Department of Psycho-Oncology, National Cancer Center Hospital, Tokyo, Japan
9. Department of Pediatrics, The University of Tokyo Hospital, Tokyo, Japan
10. Sleep Medicine Center, Osaka University Hospital, Suita, Japan
11. Department of Pharmacy, Ashiya Municipal Hospital, Ashiya, Japan
12. Department of Palliative Care, Keio University School of Medicine, Tokyo, Japan
13. Division of Patient Safety, Keio University School of Medicine, Tokyo, Japan
14. Division of Nursing Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
15. Nursing Department, National Cancer Center Hospital, Tokyo, Japan
16. Department of Psychiatry, Nippon Medical School Musashikosugi Hospital, Kawasaki 211-8533, Japan
17. Department of Psycho-Oncology/Psychiatry, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo 113-8677, Japan
18. Department of Psychiatry, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan
19. Innovation Center for Supportive, Palliative and Psychosocial Care, National Cancer Center Hospital, Tokyo 104-0045, Japan
20. Section of Liaison Psychiatry and Palliative Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8519, Japan
21. Division of Psycho-oncology and Palliative Care, Nagoya City University Hospital, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan