1. Department of Psychosomatic Internal Medicine and Supportive and Palliative Care Team National Hospital Organization Kinki‐Chuo Chest Medical Center Sakai Japan
2. Division of Respiratory Medicine Gunma Prefectural Cancer Center Gunma Japan
3. Department of Medical Oncology Kindai University Nara Hospital Nara Japan
4. Center for Respiratory Diseases JCHO Hokkaido Hospital Sapporo Japan
5. Department of Surgery Onomichi General Hospital, Onomichi Hiroshima Japan
6. Department of Medical Oncology Osaki Citizen Hospital Miyagi Japan
7. Medical Affairs Shionogi & Co., Ltd Osaka Japan
8. Department of Palliative Medicine Kobe University Graduate School of Medicine Kobe Japan