Affiliation: | 1. Division of Psycho‐Oncology, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan;2. Department of Pulmonary Medicine, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Japan;3. Department of Neuropsychiatry, Keio University School of Medicine, Shinjuku‐ku, Japan;4. Thoracic Oncology Division, National Cancer Center Hospital, Chuo‐ku, Japan;5. Department of Psychiatry and Cognitive‐Behavioral Medicine, Nagoya City Graduate School of Medical Science, Nagoya, Aichi, Japan |