Received: 7 May 2021
Accepted: 2 August 2021
First Online: 22 November 2021
: The study and its retrospective observation design was approved by the Ethics Committee of the Japan Physicians Association, and informed consent was obtained from all patients. The research was conducted in accordance with the Ethical Guidelines for Medical and Health Research Involving Human Subjects.
: Not applicable.
: YT has received consulting fees, speaking fees, and/or honoraria from Abbvie, Daiichi-Sankyo, Chugai, Takeda, Mitsubishi-Tanabe, Bristol-Myers, Astellas, Eisai, Janssen, Pfizer, Asahi-kasei, Eli Lilly, GlaxoSmithKline, UCB, Teijin, MSD, and Santen and has received research grants from Mitsubishi-Tanabe, Takeda, Chugai, Astellas, Eisai, Taisho-Toyama, Kyowa-Kirin, Abbvie, and Bristol-Myers. KS and MN have received research funding from Eli Lilly Japan K.K. Kazuki Someya, MF, YF and AN have no conflict of interest.