Acknowledgements
This work was supported by grants from the Ministry of Health, Labour and Welfare, Japan (nannti-ippann-004). The authors thank Keiko Hongo, Kumiko Muraki, Eri Katsuyama, Takayuki Katsuyama, Haruki Watanabe, Mariko Narazaki, Noriko Tatebe, Yoshinori Matsumoto, Ryutaro Yamanaka, and Kouichi Sugiyama for their great assistance in data management.
Conflict of interest
MH has research grants and/or honoraria from Abbvie Japan Co., Ltd., Astellas Pharma Inc., Bristol-Myers Squibb K.K., Chugai Pharmaceutical Co., Ltd., Eisai Co., Ltd., Janssen Pharmaceutical K.K., Mitsubishi Tanabe Pharma Co., Santen Pharmaceutical Co., Ltd., Takeda Pharmaceutical Co., Ltd., Teijin Pharma, Ltd., and Pfizer Japan Inc. TF has received research grants from Abbvie Japan Co., Ltd., Astellas Pharma Inc., Bristol-Myers Squibb K.K., Chugai Pharmaceutical Co., Ltd., Daiichi-Sankyo Pharmaceutical Co. Ltd., Eisai Co., Ltd., Mitsubishi Tanabe Pharma Co, Takeda Pharmaceutical Co., Ltd., and Pfizer Japan Inc. HM is a consultant for AbbVie, Astellas and Teijin, receives speaker honoraria from Astellas, Boehringer-ingelheim, Chugai, Daiichi Sankyo, Dainippon Sumitomo, Kyowa Hakko Kirin, MSD, Novartis, Pfizer, Takeda, and Tanabe Mitsubishi, and receives grant support from Astellas, Boehringer-ingelheim, Daiichi Sankyo, Dainippon Sumitomo, Kyowa Hakko Kirin, Mochida,MSD, Novartis, Novo Nordisk, Pfizer, Takeda, and Tanabe Mitsubishi.