Conflict of interest
Kenji Tamura declares no conflicts of interest. Toru Mukohara has received grants from Daiichi Sankyo, Sysmex, Eisai, MSD, Pfizer, Novartis, Sanofi, Chugai, AstraZeneca and Ono, lecture fees from Eisai, Pfizer, Novartis, Chugai, Eli Lilly, AstraZeneca, Kyowa-Kirin, and Taiho. Kan Yonemori has received honoraria for lectures from Pfizer, Eisai, AstraZeneca, Ono, Takeda, Chugai, MSD, Eli Lilly, Fuji Film Pharma, and Bristol Myers Squibb; consultancy fees as an advisor from Eisai, Novartis, AstraZeneca, Chugai, Genmab, and OncXerna; clinical trial fees to institution from MSD, Daiichi Sankyo, AstraZeneca, Taiho, Pfizer, Nihon Kayaku, Haihe, Novartis, Takeda, Boehringer Ingelheim, Kyowa Hakko Kirin, Eisai, Eli Lilly, Genmab, Chugai, Ono, Sanofi, Seattle Genetics. Xavier Nicolas is an employee of Sanofi, France. Tomoyuki Tanaka and Yumiko Kawabata are also employees of Sanofi, Japan. Hiroji Iwata has received honoraria from Chugai, AstraZeneca, Eli Lilly, Pfizer, Taiho, Daiichi Sankyo, Eisai, Kyowa Kirin; consultancy fees from Chugai, Kyowa Hakko Kirin, AstraZeneca, Eli Lilly, Pfizer, Daiichi Sankyo; research grant to institution from Chugai, Eli Lilly, Nihon Kayaku, Daiichi Sankyo, AstraZeneca, Taiho, Pfizer, MSD, Sanofi, Novartis, Bayer, Boehringer Ingelheim.