S.K. has received speaking fees from Eli Lilly, GlaxoSmithKline, Abbvie, Bristol-Myers, Astra-Zeneca, Boehringer Ingelheim and Eisai, and research grants from Daiichi-Sankyo, Abbvie, Boehringer Ingelheim and Astellas. Y. T. has received speaking fees or honoraria from Abbvie, Eisai, Chugai, Eli-Lilly, Boehringer Ingelheim, GlaxoSmithKline, Taisho, AstraZeneca, Daiichi-Sankyo, Gilead, Pfizer, UCB, Asahi-kasei and Astellas, and research grants from Boehringer Ingelheim, Taisho and Chugai.