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Article History

Received: 18 January 2021

Accepted: 25 January 2021

First Online: 5 February 2021

Declarations

:

: Tamiya M. reports grants and personal fees from Boehringer Ingelheim, grants and personal fees from Bristol-Myers Squibb, grants and personal fees from Ono Pharmaceutical, personal fees from MSD, personal fees from AstraZeneca, personal fees from Taiho Pharmaceutical, personal fees from Eli Lilly, personal fees from Asahi Kasei Pharmaceutical, personal fees from Chugai Pharmaceutical, outside the submitted work. Tamiya A. reports personal fees from Chugai Pharmaceutical, grants and personal fees from AstraZeneka, personal fees from Eli Lilly, personal fees from Boehringer Ingelheim, grants and personal fees from Ono Pharmaceutical, grants and personal fees from Bristol-Myers Squibb, personal fees from MSD, personal fees from Taiho, personal fees from Pfizer, personal fees from Kissei, outside the submitted work. Taniguchi Y. reports personal fees from Chugai Pharmaceutical, grants and personal fees from Bristol-Myers Squibb, grants and personal fees from Ono Pharmaceutical, personal fees from Boehringer Ingelheim, personal fees from MSD, personal fees from AstraZeneca, personal fees from Mundipharma, personal fees from Taiho Pharmaceutical, outside the submitted work. Kumagai T. reports grants and personal fees from Ono Pharmaceutical, grants and personal fees from MSD, grants and personal fees from AstraZeneca, grants and personal fees from Takeda Pharmaceutical, grants and personal fees from Taiho Pharmaceutical, grants and personal fees from Eli Lilly, grants and personal fees from Novartis Pharmaceutical, grants from Merck Serono, grants from Pfizer, grants from Boehringer lngelheim, personal fees from Teijin Pharmaceutical, grants and personal fees from Bristol-Myers Squibb, grants and personal fees from Chugai Pharmaceutical, outside the submitted work. Atagi A. reports grants and personal fees from AstraZeneca, grants and non-financial support from F. Hoffmann-La Roche, grants and personal fees from Ono Phermaceutical, grants and personal fees from Taiho Phermaceutical, grants and personal fees from Boehringer Ingelheim, grants and personal fees from Pfizer, grants and personal fees from Bristol-Myers Squibb, personal fees from Hisamitsu, grants and personal fees from MSD, grants and personal fees from Eli Lilly, personal fees from Kyowa Hakko Kirin, grants and personal fees from Merck Serono, grants and personal fees from Chugai Phermaceutical, outside the submitted work. Suzuki H, Katayama K, Minomo S, Nakao K, Takeuchi N, Matsuda Y, Naito Y, Shiroyama T, Okamoto N, Okishio K, Imamura F, Hirashima T has nothing to disclose. 

: Institutional review board (IRB) approval for this study was obtained from the Medical Research Ethics Committee of Osaka International Cancer Institute, Osaka Habikino Medical Center, and Kinki-Chuo Chest Medical Center (Osaka International Cancer Institute: No.1,609,019,097, Osaka Habikino Medical Center: No.662, Kinki-Chuo Chest Medical Center: No.460). We got written informed consent before study-specific procedures from all patients.

: All patients provided written informed consent for publication before enrollment.