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Article History

Accepted: 7 May 2024

First Online: 31 May 2024

Declarations

:

: No external funding was used in the preparation of this manuscript.

: Toshio Takagi received honoraria from Bristol-Myers Squibb and Ono Pharmaceutical. Tsunenori Kondo received honoraria from Pfizer, Novartis, Bristol-Myers Squibb, and Ono Pharmaceutical. Maki Yoshino, Hiroki Ishihara, Yuki Nemoto, Shinsuke Mizoguchi, Takashi Ikeda, Takayuki Nakamura, Hironori Fukuda, Kazuhiko Yoshida, Junpei Iizuka, Hiroaki Shimmura, and Yasunobu Hashimoto declare that they have no conflicts of interest that might be relevant to the contents of this manuscript.

: The study protocol was approved by the Institutional Ethics Review Board of each institution (Tokyo Women’s Medical University, Tokyo Women’s Medical University Adachi Medical Center, Saiseikai Kawaguchi General Hospital, Saiseikai Kazo Hospital, and Jyoban Hospital; ID: 2020-0009). The study was performed following the guidelines outlined in the 1964 Declaration of Helsinki and its later amendments.

: Owing to the retrospective observational nature of this study, the need for informed consent was waived.

: Not applicable.

: Not applicable.

: Not applicable.

: All authors contributed to this study’s conception and design, data collection, and analysis. The first draft of the manuscript was written by MY and HI, and all authors commented on the previous drafts. All authors read and approved the final version of the manuscript.