CONFLICTS OF INTEREST STATEMENT
Hiroki Teragawa received honoraria from Abbott Medical Japan, Bayer, Boehringer Ingelheim, Daiichi Sankyo, Kowa, Ono, Mitsubishi Tanabe, and Takeda. Atsushi Tanaka received honoraria from Boehringer Ingelheim and research funding from GlaxoSmithKline and Takeda. Toyoaki Murohara has received honoraria from AstraZeneca, Bayer, Boehringer Ingelheim, Japan, Daiichi Sankyo, Kowa, Novartis Pharma, Ono, and Sanwa Kagaku. Koichi Node has received honoraria from Astellas, AstraZeneca, Bayer Yakuhin, Boehringer Ingelheim Japan, Daiichi Sankyo, Eli Lilly Japan, Kowa, Mitsubishi Tanabe Pharma, Mochida Pharmaceutical, MSD, Novartis Pharma, Novo Nordisk Pharma, Ono Pharmaceutical, Otsuka, Teijin Pharma; Research grant from Asahi Kasei, Astellas, Mitsubishi Tanabe Pharma, Teijin Pharma, Boehringer Ingelheim Japan, Eli Lilly and Company, Novartis Pharma, Fuji Yakuhin, Mochida Pharmaceutical; Scholarship from Daiichi Sankyo Healthcare, Mitsubishi Tanabe Pharma, Teijin Pharma, Medtronic, Bayer Yakuhin. The remaining authors declare no conflict of interest.